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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Bilateral inflammatory breast cancer treated with pembrolizumab and surgery

Patient Info: Anonymized, Female, 40s | Stage III

Biomarkers: Bilateral breast cancers had different biology: right side ER/PR-positive and HER2 FISH-negative; left side triple-negative/HER2 1+.

As of March 2025, she had no recurrence 6 months after bilateral mastectomy, bilateral axillary lymph node dissection, thoracoabdominal flap closure, and planned postmastectomy radiation for Stage IIIC bilateral inflammatory breast cancer.

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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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Severe Autoimmune Hemolytic Anemia After Pembrolizumab for Metastatic Lung Cancer

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

Biomarkers: PD-L1 70%

Metastatic Site: left adrenal gland, subdiaphragmatic region

He recovered clinically from the acute hemolytic anemia after intravenous immunoglobulin, high-dose steroids, and blood transfusions, then continued outpatient oncology follow-up.

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Metastatic lung adenocarcinoma: complete remission on nivolumab complicated by immune-mediated diabetes

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

Biomarkers: Lung tumor: EGFR wild type, ALK rearrangement not detected. Immune-mediated diabetes: islet/GAD antibodies negative and C-peptide undetectable.

Metastatic Site: brain (cerebellum and occipital lobe); liver

As of March 2025, serial CT and MRI scans through October 2023 showed no evidence of oncologic disease after nivolumab, while immune-mediated diabetes was controlled with basal-bolus insulin.

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Shannin: Stage IV Colorectal Cancer

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

Biomarkers: Tumor-marker testing used to select immunotherapy

Metastatic Site: Liver

As of March 2025, Shannin was living with Stage IV colon cancer with cancer remaining in the liver while receiving chemotherapy and tumor-marker-matched immunotherapy.

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Extended-stage small cell lung cancer with breast metastasis: complete response after pembrolizumab

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

Biomarkers: TMB-high, microsatellite stable; TP53/PTEN mutations, and SOX2/PIK3CA/FGF12 amplifications.

Metastatic Site: breast

As of March 2025, she had maintained complete response for more than 18 months on pembrolizumab monotherapy after prior cisplatin/irinotecan response.

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Stage IV Colorectal Cancer: Shannin's Patient Story

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

Biomarkers: Genetic testing negative; tumor-marker match for immunotherapy reported, exact marker not stated

Metastatic Site: liver; ovaries; peritoneum

Shannin has palliative Stage IV metastatic colorectal cancer with liver, ovarian, and peritoneal involvement. As of March 2025, she was continuing chemotherapy plus immunotherapy, had responded enough to keep treatment going, but still needed liver-directed options and did not qualify for a Canadian liver-pump trial.

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Stage IV Colorectal Cancer: Tamara's Patient Story

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

Biomarkers: FAP / APC mutation; reported de novo APC mutation

Metastatic Site: liver; lungs; retroperitoneal area reported initially

Tamara has Stage IV FAP/APC-associated colon cancer with liver and lung metastases. After chemotherapy plus immunotherapy, her numbers dropped sharply, lung disease cleared, and liver disease shrank but remained active; as of March 2025, she was continuing maintenance treatment.

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Tamara: Stage IV Colorectal Cancer

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

Biomarkers: APC mutation; familial adenomatous polyposis

Metastatic Site: Liver | Lungs

As of March 2025, Tamara was living with Stage IV FAP-associated colon cancer involving the liver and lungs after completing 12 cycles of chemotherapy and immunotherapy.

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Stage II Triple-Negative Breast Cancer With Severe Myelitis During Pembrolizumab Treatment

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

Biomarkers: ER-negative, PR-negative, HER2-negative, germline PALB2 variation

Imaging showed a complete tumor response before surgery, and surgery 6 months later found no residual breast cancer or involved sentinel nodes.

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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; acquired EGFR T790M mutation

Metastatic Site: liver

The cancer progressed after transformation to small cell lung cancer, and she died 49 months after the original diagnosis.

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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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HER2 exon 20 metastatic lung adenocarcinoma with pathologic complete response after chemoimmunotherapy and surgery

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

Biomarkers: HER2 exon 20 insertion lung adenocarcinoma with TP53 mutation, PD-L1 TPS 50%, and low TMB.

Metastatic Site: contralateral lung

Right lower lobectomy with radical lymphadenectomy in November 2023 showed pathologic complete response, and no additional therapy was offered after surgery.

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Stage 4 lung cancer: managing pembrolizumab-induced myasthenia gravis

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

Biomarkers: Anti-acetylcholine receptor antibody elevated; TSH elevated during immune-related adverse event workup; cancer biomarkers not reported

At 9 months after the immune-related myasthenia gravis presentation, lung cancer remained in complete response while she continued low-dose prednisolone, pyridostigmine, levothyroxine, and nighttime NIV.

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Stage 4 lung adenocarcinoma with RET fusion responding to pralsetinib

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

Biomarkers: RET fusion

Metastatic Site: pleura

As of March 2025, he had recovered from grade 3 Pneumocystis jirovecii pneumonia, restarted pralsetinib, and had no progressive disease or recurrence of adverse events over 13 months.

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Stage IV Triple-Negative Breast Cancer: Maggie's Survivor Story

Patient Info: Maggie, Female | Stage IV

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

Metastatic Site: lungs, lymph nodes; possible liver

Diagnosed in 2022 with de novo Stage IV triple-negative breast cancer involving the lungs and lymph nodes, with possible liver involvement. After entering a chemotherapy/immunotherapy clinical trial, she reported being cancer-free / no evidence of disease for well over 1 year as of February 2025.

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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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Fatal Multiorgan Failure After Pembrolizumab-Based Treatment for Metastatic Lung Cancer

Patient Info: Anonymized, female | Stage IV

She died less than 12 hours after hospital presentation with rapidly progressive multiorgan failure one week after the first pembrolizumab-based treatment cycle; immune-related toxicity was strongly suspected, although the rapid decline limited full evaluation.

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Treating Lung Adenocarcinoma Alongside a Separate Esophageal Cancer

Patient Info: Anonymized, male, 60s

Biomarkers: PD-L1 negative; ALK negative; no mutations detected on lung-cancer testing

By July 2024, the lung lesion remained in partial response and he was alive 36 months after the synchronous cancer diagnoses, eating well and gaining weight.

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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 IV Non-Small Cell Lung Cancer: Eugenia's Patient Story

Patient Info: Eugenia Horan, Female, 40s | Stage IV

Eugenia became Stage IV while critically ill in the ICU and was later told hospice might be appropriate, but she started Keytruda on August 29, 2019 and was alive 5 years later. As of February 2025, she described that treatment as the medicine that saved her.

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Stage IV Gastric Cancer: Mark's Patient Story

Patient Info: Mark Scragg, male, Under 40 | Stage IV

Biomarkers: Lynch syndrome

After 3 months of chemotherapy and immunotherapy, scans showed no sign of the stomach tumor. By the 2025 article, Mark had finished active treatment, felt well, and his cancer was described as remaining largely in remission.

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Metastatic Lung Adenocarcinoma With a Serious Immune-Therapy Pituitary Complication

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

Biomarkers: No detected EGFR, ALK, ROS1, RET, MET or HER2 alterations

Metastatic Site: brain, meninges, skull, bone, pituitary

The cancer had progressed to extensive brain, skull and bone involvement after several treatments. Steroid treatment improved the severe thirst, high urine output and other symptoms from immune-related hypophysitis.

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