Small Cell Ovarian Cancer Causing Acute Kidney Injury

Patient Info: Anonymized, Female | Stage III

Biomarkers: Somatic SMARCA4 alterations; no germline SMARCA4 pathogenic variant

Combined pembrolizumab, carboplatin, and paclitaxel was continued after marked radiologic improvement, with an excellent PET-CT response documented after 13 cycles.

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Metastatic MSI-H colon cancer reaches pathologic complete response after immunotherapy and bevacizumab

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

Biomarkers: KRAS, MSI-H

Metastatic Site: liver

The resected liver lesions showed pathologic complete response, and the last CT/MRI in November 2023 showed no recurrence or metastasis, more than 5 years after diagnosis.

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Stage IIIC triple-negative breast cancer with pembrolizumab-related HLH/DIC and pathologic complete response

Patient Info: Anonymized, Female, Under 40

Biomarkers: Triple-negative/HR-negative breast cancer with germline BRCA1 pathogenic mutation. HLH/DIC episode had high IL-6

Surgery confirmed ypT0ypN0 pathologic complete response after neoadjuvant carboplatin, paclitaxel, and pembrolizumab, and she remained recurrence-free while being monitored without additional cancer-directed treatment.

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Stage IV Squamous Lung Cancer Complicated by an Esophageal-Mediastinal Fistula

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

Metastatic Site: brain, bone

Four months after the fistula was treated conservatively, imaging showed the fistula had resolved and the lung tumor and metastatic hilar nodes had decreased despite no additional antitumor treatment during that interval.

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MET Y1003N-Mutant Lung Adenocarcinoma Responding to Tepotinib

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

Biomarkers: MET mutation

Metastatic Site: bone

Tepotinib produced an 8-month response after many earlier treatments, but the cancer later recurred and she died about 3 years after treatment began.

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Long-Lasting Pembrolizumab Response in Stage III Lung Adenocarcinoma With STK11, TP53 and RB1 Mutations

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

Biomarkers: TP53 and RB1 mutations; high tumor mutational burden; PD-L1 70%

Pembrolizumab produced a partial response within 3 months, improved his breathing and fatigue, and was continued for more than 2 years without significant immune-related toxicity.

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Stage IIB squamous cell lung cancer: pathological complete response after chemo-immunotherapy and surgery

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

Biomarkers: PD-L1 >85%; P40-positive; TTF-1-negative; CEA 1.2 ng/mL; cytokeratin 19 fragments 1.7 ng/mL; pro-gastrin-releasing peptide 54 pg/mL

No recurrence for 1 year and 7 months without further treatment after transbronchoscopic resection, pembrolizumab-based chemoimmunotherapy, pneumonitis management, and sleeve resection showing pathological complete response.

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Stage 3 squamous cell lung cancer: major response to chemo-immunotherapy

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

Biomarkers: PD-L1 30-40%

After neoadjuvant chemoimmunotherapy and sleeve right lower lobectomy, pathology showed major pathological response with negative margins, and no metastasis or recurrence was observed 6 months after surgery.

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Lung Adenosquamous Carcinoma Arising From a Long-Standing Bronchogenic Cyst

Patient Info: Anonymized, female, 70+

Biomarkers: KRAS G12D mutation; PD-L1 TPS 60%; EGFR/BRAF/ROS1/ALK negative

She remained in remission 2.4 years after surgery despite stopping atezolizumab early because of immune-mediated colitis.

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Stage IVA pulmonary squamous cell carcinoma with nasal and bone metastases: response after paclitaxel, carboplatin, and tislelizumab

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

Biomarkers: PD-L1 15%

Metastatic Site: nasal region/skin; bone (left acromion)

The lung tumor and nasal metastasis regressed after paclitaxel/carboplatin plus tislelizumab, symptoms improved, no immune-related pneumonitis/colitis/hepatitis occurred, and progression-free survival exceeded 12 months.

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Stage III MSI-H/dMMR ascending colon cancer: complete response to pembrolizumab without surgery

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

Biomarkers: dMMR/MSI-H with high TMB, BRAF, BRCA2 mutation, KRAS/NRAS wild-type, HER2-negative, PD-L1-negative; Lynch testing negative.

After 10 months of pembrolizumab, PET/CT showed complete metabolic response and colonoscopy biopsies were negative for malignancy; she continued nonoperative management after declining surgery.

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Stage IV small-cell esophageal cancer: initial complete response before brain, lung, liver, and adrenal progression

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

Biomarkers: pancytokeratin and CD56; PD-L1 TPS 5%; later lung lesion Ki-67 80%.

Metastatic Site: abdominal lymph nodes, brain, lung, liver, right…

After an extended initial complete response, she developed progressive metastatic disease involving brain, lung, liver, and right adrenal gland; whole-brain radiation and lurbinectedin were started, but septic shock and acute hypoxic respiratory failure with ARDS led to comfort care.

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Metastatic breast cancer with receptor evolution: sequential endocrine, immunotherapy, CDK4/6, and antibody-drug conjugate treatment

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

Biomarkers: Markers changed over time: initial tumor ER-positive/HER2-negative; local recurrence triple-negative/HER2-low; pleural fluid ER-negative.

Metastatic Site: mediastinal lymph nodes, pleura; pulmonary nodules…

More than 7 years after diagnosis, she remained on sequential systemic therapy for metastatic breast cancer, with at least a partial response 3 months after starting sacituzumab govitecan for presumed triple-negative pleural disease.

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Therapy-related acute promyelocytic leukemia during lung cancer treatment

Patient Info: Anonymized, Male, 70+

Biomarkers: Therapy-related APL with t and PML/RARA fusion; CD33 positive

The patient died 6 hours after symptom onset on day 6 of induction therapy for therapy-related acute promyelocytic leukemia.

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Stage IIIA squamous lung cancer: surgery after nivolumab-related complications

Patient Info: Anonymized, Female, 70+ | Stage II

Biomarkers: PD-L1 TPS 99% before treatment; PD-L1 TPS 70% in postoperative hilar lymph node; TPOAb and TgAb normal during thyroiditis workup

As of January 2025, the patient had no recurrence 7 months after neoadjuvant nivolumab/carboplatin/paclitaxel and 5 months after thoracoscopic right upper lobectomy with lymph node dissection.

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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 4 lung cancer: complete response to chemoimmunotherapy and surgery

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

Biomarkers: EGFR exon 20 duplication with PD-L1 TPS 70%; P40/CK5/6 positive squamous markers; Ki-67 60%.

Metastatic Site: right adrenal gland; possible adjacent…

As of May 7, 2024, CT follow-up showed no evidence of disease after chemoimmunotherapy, conversion surgery with pathologic complete response, and pembrolizumab maintenance.

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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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Stage III Large Cell Lung Cancer With Complete Response to Pembrolizumab-Based Treatment

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

Biomarkers: PD-L1 TPS >60%; no actionable gene mutations identified

Imaging showed complete response of the recurrent hilar and mediastinal lymph nodes, and he remained progression-free through 24 cycles of treatment.

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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 3 squamous lung cancer: pathological complete response after immunotherapy and surgery

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

Pathologic complete response after DEB-BACE plus tislelizumab followed by thoracoscopic right middle/lower lobectomy and lymph-node dissection; postoperative chemo-immunotherapy continued and reexaminations were stable.

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Triple-Negative Breast Cancer: Juliette's Survivor Story

Patient Info: Juliette Landgrave, Female, Under 40

Biomarkers: ER-negative; PR-negative; HER2-negative

After egg preservation, 16 rounds of chemotherapy with complete response, lumpectomy, 25 radiation sessions and 1 year of immunotherapy, Juliette was cancer-free as of December 2024.

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Stage IV lung adenocarcinoma: ROS1 fusion detected after immunotherapy resistance and partial response to entrectinib

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

Biomarkers: Initial lung adenocarcinoma markers supported lung origin; PD-L1 <1%, no target found at first. Later testing found CD74-ROS1 fusion.

Metastatic Site: brain, bilateral lung lesions

As of December 2024, repeat imaging after entrectinib showed partial response in lung disease and regression of brain metastases, with the patient stable and willing to continue treatment.

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Stage IV lung adenocarcinoma: clinical complete remission with pembrolizumab

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

Biomarkers: No EGFR/ALK/BRAF driver alteration; PD-L1 <1%; high TMB in tissue and blood; immune-cell markers reported.

Metastatic Site: bilateral lungs, mediastinal lymph nodes, right hilar…

Clinical complete remission by RECIST while receiving pembrolizumab monotherapy for driver-negative, PD-L1-negative, high-TMB Stage IV lung adenocarcinoma.

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