Etoposide Desensitization After Cardiac Arrest in Metastatic Small Cell Lung Cancer

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

Metastatic Site: brain

After later tumor progression and further systemic treatment, she died in September 2021 from multifactorial progressive leukoencephalopathy, meningopyoventriculitis, and brain atrophy.

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EGFR-Mutant Lung Adenocarcinoma That Transformed to Small Cell Lung Cancer

Patient Info: Anonymized, female, 40s | Stage IV

Biomarkers: EGFR exon 19 deletion

Metastatic Site: brain, adrenal gland, liver, thyroid

The cancer progressed after small-cell transformation with adrenal, thyroid, liver and brain involvement, and she died 52.7 months after the original diagnosis from disease progression and organ failure.

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Stage 4 small cell lung cancer with paraneoplastic neurological syndrome

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

Biomarkers: Paraneoplastic antibody panel positive for anti-Hu, anti-AMPH, anti-Ri

Metastatic Site: left axillary lymph nodes

Over 2 years of follow-up, CT showed stable complete response, tumor markers stayed normal, no new metastases appeared, and neurological symptoms did not worsen.

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ALK-Fusion Small Cell Lung Cancer Responding to ALK-Targeted Therapy

Patient Info: Anonymized, female, 40s | Stage IV

Biomarkers: EML4-ALK fusion

Metastatic Site: brain

After several earlier treatments stopped controlling the cancer, ALK-targeted iruplinalkib produced a partial response and was still controlling disease after more than 8 months.

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Stage III small cell lung cancer with paraneoplastic optic disc swelling

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

Biomarkers: anti-CV2/CRMP-5 positive; anti-Hu positive

Eighteen months after diagnosis, there was no evidence of cancer recurrence. Optic disc swelling had fully resolved after steroid treatment, with preserved visual function.

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Stage IV small cell lung cancer: no abnormality after chemotherapy, radiotherapy, and TCM follow-up

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

Metastatic Site: bilateral lungs; left supraclavicular lymph nodes;…

After chemotherapy, radiotherapy, supportive care, and longitudinal TCM follow-up, imaging showed disappearance of the main lung, nodal, and intrapulmonary lesions, with no abnormality found after 4 years of follow-up.

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Limited-stage SCLC with paraneoplastic syndrome: complete response

Patient Info: Anonymized, Female, 50s

Biomarkers: SCLC markers: TTF-1 and synaptophysin positive, Ki-67 ~85%; anti-CV2/CRMP5 and anti-SOX1 antibodies positive.

Remission at 6 years after carboplatin/etoposide chemotherapy, thoracic radiation, and prophylactic cranial irradiation for limited-stage SCLC with paraneoplastic cerebellar degeneration.

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Small Cell Lung Cancer With Rapidly Progressive Paraneoplastic Neuropathy

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

Metastatic Site: adrenal glands

Despite a partial tumor response, severe ascending motor and sensory neuropathy progressed to respiratory compromise. He chose supportive care and died 3 weeks after the neurologic symptoms began.

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Lung Adenocarcinoma That Transformed to Small Cell Cancer After Recurrence

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

Biomarkers: PD-L1 1%-24%; no druggable driver alteration identified

Metastatic Site: brain, liver

After treatment for the small-cell-transformed recurrence, the liver metastases showed sustained regression and progression-free survival had reached 13 months by September 2024.

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Stage IV lung cancer: brain metastasis complete response after chemoimmunotherapy

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

Biomarkers: KRAS-mutated; BRG-1 partial loss; PD-L1 TPS 5%; CPS 20

Metastatic Site: brain (right cerebellar hemisphere)

The right cerebellar brain metastasis completely resolved and chest CT showed only postsurgical changes after carrelizumab plus paclitaxel/carboplatin; immune-mediated adrenal insufficiency improved with systemic glucocorticoids.

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Small Cell Lung Cancer With Paraneoplastic Cushing Syndrome Treated With Immunochemotherapy

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

Biomarkers: PD-L1 negative; low tumor mutation burden; microsatellite stable

Metastatic Site: liver, abdominal wall, left ilium

He lived 20 months after diagnosis. After repeated treatment responses and later progression, he died in September 2023 from respiratory and cardiac failure during a severe infection following treatment-related myelosuppression.

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Stage 4 small-cell lung cancer: ongoing response to immunotherapy

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

Biomarkers: PD-L1-negative

Metastatic Site: liver, bone, brain

Extensive-stage small-cell lung cancer had complete response in the primary lung, liver, bone, and treated brain lesions, with partial response in hilar/mediastinal nodes; after about 20 months of serplulimab-based first-line therapy, the patient had no deterioration, no immunotherapy-related adverse effects, and high quality of life.

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EGFR-mutant lung adenocarcinoma transforming to small cell lung cancer during targeted therapy

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

Biomarkers: EGFR exon 19 deletion, TP53 mutation, TMB 11 mut/Mb

Metastatic Site: cervical lymph nodes

At the last follow-up in February 2024, 32 months after diagnosis, she was alive and both the primary lung lesion and cervical lymph-node metastasis had decreased on combined chemotherapy, immunotherapy and targeted therapy.

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Stage 4 small cell lung cancer: response to carboplatin, etoposide, and atezolizumab

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

Biomarkers: CD56-positive; synaptophysin-positive

Metastatic Site: right hilar/mediastinal disease, left adrenal gland,…

Extensive-stage small-cell lung cancer presenting with chronic intestinal pseudo-obstruction improved after 3 cycles of carboplatin, etoposide, and atezolizumab, with PET response and symptomatic improvement; longer-term durability was not reported.

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Five-year survival with extensive-stage small cell lung cancer on atezolizumab

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

Metastatic Site: bilateral lungs, cervical lymph nodes

Five years after diagnosis with extensive-stage small cell lung cancer, he was alive and well on maintenance atezolizumab with no further documented progression after the 2020–2021 rechallenge, reaching 60 months overall survival and about 44 months progression-free survival.

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Small cell lung cancer discovered after recurrent pneumothorax

Patient Info: Anonymized, male, 60s

Follow-up chest CT showed only postsurgical changes with no evidence of tumor, and he was doing well under oncology follow-up.

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EGFR-mutated lung cancer with later small-cell transformation

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

Biomarkers: EGFR L858R mutation; acquired EGFR T790M mutation

Metastatic Site: pleura/chest wall, ribs, brain, meninges,…

Disease progressed through multiple lines of therapy with brain and meningeal involvement. He died in September 2021, more than 9 years after his original 2012 diagnosis.

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Small cell lung cancer with SIADH that progressed after an initial response to treatment

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

Metastatic Site: liver

The cancer progressed with disseminated liver metastases, and she died from liver failure in February 2021.

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Stage IV small cell lung cancer with metastases involving bone and both eye muscles

Patient Info: Anonymized, male, 40s | Stage IV

Metastatic Site: bone; bilateral extraocular muscles (orbits)

He died 5 months after presenting with bilateral orbital involvement while receiving palliative treatment for Stage IV small cell lung cancer.

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Stage III small cell lung cancer complicated by a tracheomediastinal fistula during chemoradiation

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

Four months after treatment began, there was no evident cancer recurrence, although the persistent fistula remained under consideration for repair.

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Small cell lung cancer with dermatomyositis improving after chemo-immunotherapy

Patient Info: Anonymized, male, 70+

After treatment began, muscle enzymes fell and his strength, skin symptoms, and overall condition improved.

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Small cell lung cancer with dermatomyositis and fatal immune-related toxicity

Patient Info: Anonymized, male, 50s

He died 3 weeks after starting treatment after developing severe skin toxicity thought to be a fatal immune-related adverse event, with possible infection and sepsis.

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Stage III small-cell lung cancer had a complete response after chemo-immunotherapy and surgery

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

Surgery showed a pathological complete response, and no recurrence or metastasis was found through 12 months of follow-up.

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Rare small cell lung cancer subtype removed by surgery

Patient Info: Anonymized, Male

Biomarkers: Cytokeratin-negative; focal TTF-1-positive; Napsin A-negative; electron microscopy showed neurosecretory granules; EWSR1 and SS18 rearrangement testing negative

Follow-up scans found no residual, recurrent or metastatic lung cancer, and he was doing well.

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