Metastatic ER-positive breast cancer complicated by osteonecrosis of the jaw

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

Biomarkers: ER-positive.

Metastatic Site: bone (sternum, spine, pelvis, and proximal femur)

After progressive metastatic bone disease and severe medication-related osteonecrosis of the jaw, she entered end-of-life care and died three weeks after discharge to a nursing home.

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Stage IV Breast Cancer: Janet's Survivor Story

Patient Info: Janet Klein, Female | Stage IV

Metastatic Site: Bone: left iliac bone

Janet’s Stage 1 breast cancer later recurred and metastasized to the left iliac bone, but she had no sign of cancer from January 2010 onward while continuing palbociclib plus letrozole.

Stage II HR-Positive Breast Cancer: Cath's Survivor Story

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

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

Cath was declared cancer-free in June 2024 after Stage II luminal A ER-positive/PR-positive/HER2-negative breast cancer treated with surgery, radiation, and hormone therapy, though she continued to manage long-term side effects and recurrence fear.

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Splenectomy Reduced Transfusion Needs in Metastatic Lobular Breast Cancer

Patient Info: Anonymized, Female, 40s | Stage Metastatic/Advanced

Biomarkers: ER positive; PR positive; HER2 negative

Metastatic Site: skin|bone|bone marrow|spleen

She remained independent through her last oncology visit 18 months after splenectomy and died 1 month later.

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Lobular Breast Cancer Spreading to an Eye Muscle

Patient Info: Anonymized, Female, 40s | Stage Metastatic/Advanced

Biomarkers: Hormone receptor-positive; HER2-negative; E-cadherin-negative; CK7-positive

Metastatic Site: bones|left superior oblique eye muscle

The eye-muscle metastasis entered complete local remission, while bone disease was stable after 6 months of weekly paclitaxel and denosumab.

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Breast cancer spreading to the colon, rectum and peritoneal surfaces

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

Biomarkers: Primary tumor: ER >80% positive; PR 50–60% positive; HER2 negative; E-cadherin positive. Later colorectal metastases: ER positive; PR negative; HER2 negative; CK7 positive; CK20 negative; CDX2 negative.

Metastatic Site: colon, rectum, peritoneum, diaphragm, liver, bowel,…

Metastatic breast cancer was subsequently confirmed in the colon and rectum, with later laparoscopic biopsies showing peritoneal and additional intra-abdominal metastatic disease.

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Breast cancer recurrence presenting with numb chin syndrome

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

Metastatic Site: sternum, left mandibular foramen

She was discharged ambulatory without lower-limb pain, although left mandibular numbness persisted, with monthly oncology follow-up planned.

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Metastatic Breast Cancer With Liver Progression Treated Through Multiple Chemotherapy Lines

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

Biomarkers: Initial tumor: ER 90%, HER2 3+, Ki67 15%. Liver metastasis: ER 30%

Metastatic Site: pleura, liver

After several periods of response and later liver progression, she remained on active treatment with pegylated liposomal doxorubicin.

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Recurrent Breast Cancer With Liver Metastases Treated Through Multiple Chemotherapy Lines

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

Biomarkers: Initial tumor: ER positive, HER2 0. Liver metastasis: ER 100%

Metastatic Site: liver

After liver progression following 18 cycles of eribulin, she started weekly carboplatin and remained in active treatment.

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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 II Breast Cancer: Natalia's Survivor Story

Patient Info: Natalia | Stage II

Natalia was declared cancer-free on February 21, 2024, and continued regular follow-up while taking letrozole.

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