Extensive-stage small-cell lung cancer with immune-related diabetes and stable disease at 2 years

Patient Info: Anonymized, Female, 60s | Stage IV

Biomarkers: Tumor PD-L1 not reported. Immune-related diabetes showed very low C-peptide and negative diabetes autoantibodies; thyroiditis also occurred.

Metastatic Site: pancreas; pleura/pleural effusion; mediastinal lymph…

Two years after the SCLC diagnosis, she was alive with stable oncologic disease after later brain metastases were treated with whole-brain radiotherapy, and she remained insulin-dependent.

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Small-cell lung cancer with anti-NMDAR encephalitis: neurologic recovery and cancer care ongoing

Patient Info: Anonymized, Male, 70+

Biomarkers: Anti-NMDAR antibodies positive in cerebrospinal fluid; tumor molecular markers not reported

He recovered without significant neurologic sequelae and had no recurrence of neuropsychiatric symptoms; SCLC treatment with carboplatin and paclitaxel began after discharge, and cancer remission status was not documented.

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Metastatic lung adenocarcinoma with brain and iliac bone response to chemoimmunotherapy

Patient Info: Anonymized, Male, 60s | Stage IV

Biomarkers: PD-L1-negative; no EGFR, ALK, ROS1, RET, KRAS, BRAF, MET, HER2, or NTRK alteration detected; TP53 mutation found.

Metastatic Site: left iliac bone, brain

Brain metastases achieved complete remission without cranial irradiation, and lung, bone, and brain lesions remained stable at last follow-up, with PFS of 35 months and OS exceeding 40 months.

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Stage IVA lung cancer with small-cell and adenocarcinoma components: mixed response before infection halted treatment

Patient Info: Anonymized, Male, 70+ | Stage IV

Biomarkers: PD-L1 <1%

Metastatic Site: bone (C2, T10, sacral vertebrae); malignant pleural…

The lung cancer showed mixed responses, with right-lung small-cell progression after chemotherapy/immunotherapy and later treatment interruption because of severe lung infection and respiratory failure.

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Metastatic lung adenocarcinoma with HER2 V659E/amplification responding to trastuzumab deruxtecan

Patient Info: Anonymized, Female, 50s | Stage IV

Biomarkers: Initial lung testing showed no EGFR/ALK/ROS1 and PD-L1 TPS 3%. Later biopsy found HER2 V659E plus HER2 amplification.

Metastatic Site: liver, bone, brain

As of September 2024, metastatic lung adenocarcinoma had a sustained partial response to trastuzumab deruxtecan after HER2 V659E mutation and HER2 amplification were identified.

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Stage IIIB non-squamous NSCLC on chemoimmunotherapy: alcohol-related hypertonic hyponatremia corrected during oncology follow-up

Patient Info: Anonymized, Male, 50s | Stage III

Biomarkers: Tumor biomarkers not reported. Severe hyponatremia workup showed high serum osmolality and ethanol level.

He remained under oncology follow-up for Stage IIIB non-squamous NSCLC while alcohol-related hypertonic hyponatremia improved after detoxification and alcohol cessation.

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ALK-rearranged Stage IVA lung adenocarcinoma: partial response to pembrolizumab as eighth-line treatment

Patient Info: Anonymized, Male, 70+ | Stage IV

Biomarkers: ALK strongly positive by IHC 3+; ALK rearrangement confirmed by FISH; PD-L1 expression 95% by 22C3 immunostaining; CEA 2.3 ng/mL at diagnosis

Metastatic Site: brain

Nine months after pembrolizumab was started as eighth-line therapy, he maintained a partial response after prior progression on multiple ALK inhibitors and chemotherapies.

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Limited-stage small-cell lung cancer: complete response after salvage chemoradiation and continued serplulimab

Patient Info: Anonymized, Male, 40s

Biomarkers: PD-L1 CPS 1

As of May 13, 2025, after salvage chemoradiation, irinotecan, and continued serplulimab for isolated supraclavicular nodal recurrence, he remained in complete response with no radiologic recurrence or metastasis on brain MRI and CT of the neck, chest, and abdomen.

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Extensive-stage small cell lung cancer with brain and adrenal progression after prolonged disease control

Patient Info: Anonymized, Male, 50s | Stage IV

Biomarkers: Small-cell lung cancer markers included CD56, CgA and TTF-1; Ki-67 was 80%.

Metastatic Site: brain, right adrenal gland, left adrenal gland

After 31 months of stability on second-line anlotinib with palliative chemoradiotherapy, disease progressed in July 2024 with new brain lesions and adrenal progression; the patient declined additional systemic options and continued anlotinib.

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Metastatic NSCLC with ATM mutations: 28-month response to olaparib before progression

Patient Info: Anonymized, Male, 70+ | Stage IV

Biomarkers: cfDNA showed ATM and ATM mutations. Common NSCLC drivers were negative; initial tumor markers were negative.

Metastatic Site: liver, left pubic bone, bilateral pulmonary nodules,…

After 28 months of remission and improved quality of life on olaparib, June 2024 PET-CT showed progression with a new 1.2 cm hypermetabolic left lower-lobe pulmonary nodule; olaparib was still being continued at the October 2024 clinic visit.

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Stage IVA EGFR L858R lung adenocarcinoma with malignant effusions and thrombosis

Patient Info: Anonymized, Male, Under 40 | Stage IV

Biomarkers: EGFR exon 21 L858R mutation; TTF-1 weak positive; Napsin A positive; p40 negative; Ki-67 about 10%

Metastatic Site: malignant pleural effusion; malignant pericardial…

As of May 2025, abdominal pain had resolved, splenic infarction had not progressed, thromboembolic events were regressing, no new thrombus formation was seen, and outpatient follow-up continued while he remained on cancer and anticoagulation management.

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Stage IIIA squamous lung cancer with pathologic complete response after immunochemotherapy

Patient Info: Anonymized, Female, 50s | Stage III

Biomarkers: PD-L1 TPS 90%; PD-L1 CPS 100%; EGFR p.G719S 24.9%; EGFR p.S768I 24.6%; TP53 p.S183* 7.2%; TMB 0.0 Muts/Mb

Systematic imaging in March 2025 showed no recurrence or metastasis, with postoperative disease-free survival longer than 30 months and overall survival longer than 34 months.

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Aggressive Lung Squamous Cell Carcinoma With Tumor Extension Into the Heart

Patient Info: Anonymized, male, 50s

Biomarkers: PD-L1 high

The cancer progressed rapidly despite treatment, and he died 3 months after diagnosis and 2 months after starting chemotherapy and pembrolizumab.

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Limited-stage small cell lung cancer with no recurrence after 14 years

Patient Info: Anonymized, Female, 60s

Biomarkers: SCLC markers: CD56/TTF-1 positive. Essential thrombocythemia had JAK2 . Cancer predisposition gene testing was negative.

More than 14 years after limited-stage SCLC diagnosis, surveillance imaging confirmed no recurrence, while essential thrombocythemia remained controlled with weekly Pegasys.

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Stage IV ALK Non-Small Cell Lung Cancer: Alisa's Patient Story

Patient Info: Alisa Secaida, Female, Under 40 | Stage IV

Biomarkers: ALK-positive / ALK-rearranged

Metastatic Site: Brain; lymph nodes

As of May 2025, after alectinib and lung surgery, pathology still showed active tumor and lymph-node cancer cells, and Alisa was receiving IMRT for remaining disease.

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Poorly Differentiated Lung Adenocarcinoma Recurring After Surgery and Chemotherapy

Patient Info: Anonymized, male, 60s

Biomarkers: No driver mutation identified initially; recurrent tumor PD-L1 >50%

The cancer recurred in June 2024 with a para-aortic mass and enlarged mediastinal and supraclavicular lymph nodes. Camrelizumab was started, but he could not tolerate it and declined further treatment.

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Poorly Differentiated Lung Adenocarcinoma Without Recurrence After Surgery and Chemotherapy

Patient Info: Anonymized, male, 60s

Biomarkers: No driver mutation identified; PD-L1 at least 1%

No signs of recurrence were observed through April 2025 after surgery and 4 cycles of adjuvant chemotherapy.

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NRG1-Fusion Lung Adenocarcinoma With a Partial Response to Afatinib

Patient Info: Anonymized, female, 50s

Biomarkers: CD74-NRG1 fusion

Afatinib produced a partial response lasting 24 weeks, with progression after 32 weeks on treatment. She died in April 2022.

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Metastatic lung squamous cell carcinoma: no recurrence after chemoimmunotherapy and pembrolizumab maintenance

Patient Info: Anonymized, Male, 60s | Stage IV

Biomarkers: EGFR exon 19 deletion; PD-L1 TPS 95%; TTF-1-negative; p40-positive

Metastatic Site: mediastinal lymph nodes; bilateral lung nodules

As of April 2025, PET/CT 3 years after treatment initiation showed no sign of recurrence after carboplatin, nab-paclitaxel, pembrolizumab, and 2 years of pembrolizumab monotherapy.

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Small-Cell Lung Cancer With Later Brain and Other Metastases in a Woman With COPD

Patient Info: Anonymized, female, 50s | Stage IV

Metastatic Site: central nervous system

Her neurologic condition progressively worsened after immune-related encephalitis and extensive metastatic progression. She died from sepsis 8 months after the lung-cancer diagnosis.

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Small Cell Lung Cancer That Spread to the Ear Canal

Patient Info: Anonymized, male, 70+ | Stage IV

Metastatic Site: external auditory canal, middle ear, pancreas, bone

The metastatic lesions initially shrank and his hearing and ear pain improved, but he died 15 months after diagnosis.

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Stage 4 SMARCA4-deficient lung cancer: ongoing treatment response

Patient Info: Anonymized, Male, 50s | Stage IV

Biomarkers: SMARCA4-deficient lung cancer with BRG-1 loss, CK/CK7 positive, Ki-67 >40%. CEA

Metastatic Site: sigmoid colon, left adrenal gland

After colon metastasis surgery, continued radiotherapy, and later gemcitabine/nedaplatin/bevacizumab/camrelizumab for adrenal metastasis, the cancer showed a favorable response with no further recurrence or new metastasis reported.

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Stage II Lung Squamous Cell Carcinoma Complicated by Immunotherapy-Induced Cutaneous Lupus

Patient Info: Anonymized, male, 60s | Stage II

Imaging showed a treatment response. After radical radiotherapy, camrelizumab was discontinued because of immune-mediated subacute cutaneous lupus, and the lung cancer was placed under active monitoring.

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Stage 3 squamous cell lung cancer: complete remission on tislelizumab monotherapy

Patient Info: Anonymized, Male, 70+ | Stage III

Biomarkers: Squamous lung cancer markers: P40 positive, TTF-1/Napsin A negative, Ki-67 75%. PD-1/PD-L1 testing was not done.

As of April 2024, enhanced CT, tumor-marker decline, and clinical assessment supported complete remission by iRECIST after chemoimmunotherapy and tislelizumab monotherapy.

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