Breast cancer returning 21 years later as a solitary parotid metastasis

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

Biomarkers: Parotid metastasis ER positive; PR positive; HER2 borderline by IHC but FISH 1.82

Metastatic Site: left parotid gland

More than 5 months after the parotid metastasis was diagnosed, the tumour had slightly decreased in size and her metastatic disease remained stable on endocrine therapy.

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Breast cancer returning years later in the biceps muscle

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

Biomarkers: ER positive

Metastatic Site: left biceps muscle

Her arm symptoms improved considerably after radiotherapy, and MRI 6 months later showed a significant decrease in the size of the biceps tumour.

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Stage IV ER/PR-positive mucinous breast cancer: long-term no evidence of disease after surgery, AFTV, radiation, CEF, and endocrine therapy

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

Biomarkers: ER-positive; PR-positive; delayed-type hypersensitivity to AFTV became pseudo-positive after vaccination and remained pseudo-positive 5.4 years later

Metastatic Site: Th7 vertebra

More than 6 years after primary surgery, she remained well with no evidence of vertebral metastasis activity, new metastasis, or local recurrence.

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Metastatic lobular breast cancer to gynecologic sites: disease-free after surgery and chemotherapy

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

Biomarkers: ER-positive; PR-negative; HER2/C-Erb-B2-negative

Metastatic Site: vagina, uterus, ovaries

After treatment of vaginal, uterine, and ovarian metastases from lobular breast cancer, she was free from disease 12 months after completion surgery.

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Hormone-positive breast cancer with axillary recurrence responding to hyperthermia, radiation, and chemotherapy

Patient Info: Anonymized, Female, 60s

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

The left axillary recurrence enlarged during weekly paclitaxel and radiotherapy, then became nearly flat and was assessed as a complete response 8 weeks after adding hyperthermia.

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Metastatic lobular breast cancer to bladder trigone: partial response to tamoxifen

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

Biomarkers: progesterone receptor-positive; genetic testing including BRCA1 negative

Metastatic Site: bladder trigone

As of January 2012, urge incontinence had resolved and PET showed decreased activity in the breast and bladder trigone lesions nearly 10 months after starting tamoxifen, consistent with clinical and partial radiologic remission.

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Lobular breast cancer with extraocular muscle and lung metastases: ocular improvement after radiotherapy and tamoxifen

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

Biomarkers: Original breast cancer: ER-negative; PR-negative. Extraocular muscle metastasis/recurrent disease: ER strongly positive; PR strongly positive.

Metastatic Site: bilateral extraocular muscles, right upper lobe lung,…

At 18 months after presentation with extraocular muscle metastases, PET showed no abnormality, diplopia had resolved, and ocular motility had markedly improved, with mild bilateral ptosis remaining.

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ER-positive breast cancer recurrence after DCIS: chemotherapy, nodal surgery, radiation, and endocrine therapy

Patient Info: Anonymized, Female, 40s

Biomarkers: Recurrent invasive breast cancer: ER-positive; HER2/neu-negative. PR not reported.

Disease-free for 33 months after treatment of ER-positive, HER2-negative invasive breast cancer recurring in the mastectomy skin flap with positive axillary sentinel nodes.

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