Primary pulmonary osteosarcoma resected after discovery as a small lung nodule

Patient Info: Anonymized, Male, 60s

Biomarkers: Primary pulmonary osteosarcoma markers: SATB2 positive, Ki-67 ~30%, p53 mutant-pattern staining; epithelial markers negative.

After complete wedge resection with negative margins and 6 cycles of adjuvant liposomal doxorubicin/cisplatin, no recurrence or metastasis was observed during 9 months of follow-up.

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Stage IIIC ER-positive male breast cancer: mastectomy, chemotherapy, radiation, tamoxifen and abemaciclib

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

Biomarkers: ER 90% positive; PR 60% positive; HER2 score 0; Ki-67 15%; BRCA1 and BRCA2 no pathogenic variants; CEA 2.4 ng/mL; CA15-3 13.6 U/mL

He remained on tamoxifen and dose-adjusted abemaciclib; annual follow-up imaging, including non-contrast CT, showed no local or distant relapse.

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Stage II Triple-Negative Breast Cancer: Jennifer's Survivor Story

Patient Info: Jennifer Rancik, Female, Under 40 | Stage II

Biomarkers: BRCA1 mutation; triple-negative breast cancer

Jennifer entered remission in October 2017 after Stage II triple-negative breast cancer treatment and, as of October 2025, reported doing great and being off medications except occasional Zometa.

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Stage IIIA triple-negative breast cancer with hypercalcemia from parathyroid adenoma

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

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

As of October 2025, evaluation for post-chemotherapy weakness showed no local breast cancer recurrence, no lymphadenopathy, and no bone metastases; hypercalcemia resolved after parathyroid adenoma removal while breast cancer care remained ongoing.

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Stage IIA male breast cancer: chemotherapy, mastectomy, endocrine therapy, and benign adrenal nodule

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

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

Final breast cancer pathology was T1N1M0 / AJCC Stage IIA ER-positive, PR-positive, HER2-negative invasive ductal carcinoma; the suspicious adrenal lesion was removed in June 2025 and proved to be a benign adrenal adenoma.

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Triple-negative breast cancer history with later chest wall sarcomatoid carcinoma treated by embolization, ablation, and chemotherapy

Patient Info: Anonymized, Female, 40s

Biomarkers: Initial breast cancer was triple-negative. Later chest-wall lesion was weak ER-positive, PR/HER2-negative

By February 2025, the treated chest wall lesion had decreased to about 13 x 7 mm after embolization, radiofrequency ablation, and albumin-bound paclitaxel plus cisplatin, with no peripheral or distant metastatic foci seen.

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Stage IIIB male encapsulated papillary breast cancer: disease-free after surgery and adjuvant therapy

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

Biomarkers: ER-positive 100%; PR-positive 100%; HER2-negative / IHC 1+; p63 loss supported encapsulated papillary carcinoma; no neuroendocrine differentiation

Three years after diagnosis, he was clinically doing well without evidence of breast cancer recurrence after mastectomy, radiation, and tamoxifen.

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Triple-negative node-positive breast cancer with complete pathologic response and benign nodal nevi

Patient Info: Anonymized, Female, 50s

Biomarkers: Triple-negative breast cancer; BRCA testing negative. Axillary melanocytic cells looked benign.

Pathology showed complete response in the breast, no residual breast carcinoma in the sampled specimen, and axillary nodal melanocytic proliferations interpreted as benign nodal nevi rather than metastatic melanoma or breast carcinoma.

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Metastatic HER2-positive breast cancer complicated by medication-related osteonecrosis of the jaw

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

Biomarkers: HER2-positive breast cancer. Jaw workup focused on osteonecrosis

Metastatic Site: bone / osseous metastasis

The case focused on metastatic HER2-positive breast cancer complicated by medication-related osteonecrosis of the jaw after antiresorptive therapy; dental pain improved transiently after oral-surgery interventions, but systemic cancer response was not described.

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Stage 3 breast cancer: complete pathological response to chemotherapy

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

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

At 1-year follow-up, she remained free of breast cancer; a thyroid nodule found on CT had no malignancy on fine-needle aspiration.

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Stage III Triple-Negative Breast Cancer: Lynn's Survivor Story

Patient Info: Lynn Leiro, Female, Under 40 | Stage III

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

Lynn achieved complete response after breast cancer treatment and remission from therapy-related acute lymphocytic leukemia after CAR T cell therapy and bone marrow transplant; as of July 2025, nearly 1 year post-transplant, she was doing better and getting stronger.

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Stage IIIB triple-negative breast cancer: complete response after LVAD-supported neoadjuvant immunotherapy

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

Biomarkers: ER-negative; PR-negative; HER2-negative; Ki-67 95%; nuclear grade 3, triple negative

As of July 2025, breast cancer remained in remission 2.5 years after mastectomy, after neoadjuvant paclitaxel/carboplatin/pembrolizumab, surgery, radiation, and 1 year of adjuvant pembrolizumab.

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HER2-positive breast cancer with metastatic recurrence and complete response to T-DM1

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

Biomarkers: HER2 IHC 3+ and hormone receptor-negative in primary and metastatic breast cancer; no liver metastases seen.

Metastatic Site: major pectoralis muscle, lung, broncho-hilar lymph…

After complete radiologic response on T-DM1, treatment was stopped after 22 months because of porto-sinusoidal vascular disorder. Seven months later, she remained asymptomatic and under surveillance with no signs of recurrent disease.

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Severe Melioidosis During Chemotherapy for Metastatic Breast Cancer

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

A 58-year-old woman with metastatic breast cancer developed life-threatening melioidosis and severe low blood counts after her sixth chemotherapy cycle, requiring intensive infection treatment.

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Triple-negative sebaceous carcinoma of the breast: no recurrence after multimodality treatment

Patient Info: Anonymized, Female, Under 40

Biomarkers: Triple-negative sebaceous breast carcinoma; EMA-positive; Ki-67 50-60%; inherited breast/ovarian cancer testing negative for pathogenic variants.

As of May 2025, after surgery, adjuvant chemotherapy, and radiation, she had 5 years of follow-up with no evidence of neoplastic recurrence.

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Stage II HR-Positive Breast Cancer: Kelsey's Patient Story

Patient Info: Kelsey, Female, Under 40 | Stage II

Biomarkers: ER-positive

As of May 2025, Kelsey had completed chemotherapy, double mastectomy with reconstruction, and 16 radiation sessions, and was continuing tamoxifen with Verzenio planned for 2 years plus Lupron ovarian-suppression shots.

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Stage III HR-Positive Breast Cancer: Christine's Survivor Story

Patient Info: Christine, Female, Under 40 | Stage III

Biomarkers: ER-positive; PR-positive; HER2-positive

Three years after diagnosis, Christine described herself in the survivorship stage and focused on the physical and emotional effects that continued after active treatment.

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Lung inflammation from pembrolizumab immunotherapy returned months after stopping treatment

Patient Info: Anonymized, Female, 70+

Biomarkers: Estrogen receptor-negative; progesterone receptor-negative; HER2-negative

Surgery confirmed a pathologic complete response, and she remained in breast-cancer remission during routine follow-up after treatment for recurrent pembrolizumab-related pneumonitis.

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Metastatic Neuroendocrine Breast Cancer With Severe Hormone Overproduction

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

Biomarkers: ER-negative, PR focally positive, HER2-negative, PIK3CA mutation

Metastatic Site: liver, bone

Died after rapid deterioration and cardiac arrest during progressive metastatic disease.

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HER2-positive breast cancer with brain metastases: responding well to T-DXd

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

Biomarkers: ER-positive; PR-positive; HER2-positive / HER2 IHC 3+

Metastatic Site: brain (left cerebellum, left frontal lobe, medulla)

After 14 months and 19 doses of T-DXd, brain metastases remained controlled with no symptomatic or radiological relapse and no severe T-DXd-related adverse events.

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Facing Triple-Negative Breast Cancer: Chance’s Story

Patient Info: Chance, Female, Under 40 | Stage II

Biomarkers: ER-negative; PR-negative; HER2-negative; BRCA1 mutation

As of February 2025, Chance described follow-up after Stage II BRCA1-associated triple-negative breast cancer and stated that she did not currently have cancer, while continuing close surveillance.

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Stage III Triple-Negative Breast Cancer: Kelly's Survivor Story

Patient Info: Kelly, Female, Under 40 | Stage III

Biomarkers: Triple-negative breast cancer; no inherited cancer gene mutation found.

As of February 2025, Kelly identified as a Stage IIIC triple-negative breast cancer survivor after neoadjuvant chemotherapy, double mastectomy with reconstruction, and radiation, and was using her experience to support others through TNBC Thrivers.

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Stage III Breast Cancer Complicated by a Large Liver Abscess

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

Biomarkers: ER-positive, HER2-negative

Continuing adjuvant anastrozole and oncology follow-up after mastectomy for Stage III breast cancer.

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Stage IV luminal B HER2-negative breast cancer with liver-limited metastasis resected after systemic therapy

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

Biomarkers: Luminal B; HER2-negative

Metastatic Site: liver

After liver segmentectomy for breast-cancer liver metastasis, follow-up imaging showed no remaining liver nodes, and she remained fit, well, disease-free, and on maintenance letrozole plus goserelin.

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