Stage IV Invasive Lobular Carcinoma: Katie's Patient Story

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

Metastatic Site: Stomach | Pelvis | Spine

Katie was living with metastatic ILC involving the stomach wall, pelvis, and spine while taking ribociclib (Kisqali) with letrozole, with improved stomach findings and stable spine metastases after 6 rounds.

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Stage IV HER2-Positive Breast Cancer: Sonja's Patient Story

Patient Info: Sonja Rideout, Female | Stage IV

Biomarkers: HER2-positive; Tempus testing later indicated immunotherapy as an option

Metastatic Site: Lungs; liver; bone: tailbone; thoracic lymph nodes

As of January 2026, Sonja was living with metastatic HER2-positive breast cancer after spread to lungs and liver, later tailbone and thoracic lymph nodes, and had moved to weekly carboplatin/gemcitabine plus monthly immunotherapy.

Breast Cancer Discovered After Widespread Bone Metastases

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

Biomarkers: ER 90–95%; PR 90–95%; HER2 IHC 0; Ki-67 5%; germline BRCA1/2 negative

Metastatic Site: bone, bone marrow

She was receiving ongoing letrozole and ribociclib for Stage IV hormone receptor-positive, HER2-negative breast cancer with diffuse bone involvement.

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Stage IV HR-Positive Invasive Ductal Carcinoma: Samantha's Patient Story

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

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

Metastatic Site: Rib; spine; pelvis

After a mixed response on the radium trial, Samantha changed to anastrozole and abemaciclib. She described the newer hormone-targeted combination as easier to tolerate and working better while remaining in ongoing treatment.

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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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Stage 4 HR-positive breast cancer: stable disease on ribociclib

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

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

Metastatic Site: left iliac bone

Metastatic HR-positive, HER2-negative breast cancer remained without progression as of October 2024 while she continued ribociclib 400 mg plus letrozole after SBRT to a left iliac bone metastasis.

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Stage IV luminal B breast cancer with liver, bone, and bone marrow metastases

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

Biomarkers: ER 90% positive; PR 20% positive; HER2-negative; Ki-67 60%; luminal B

Metastatic Site: liver, bone, bone marrow

The patient had marked clinical and hematologic improvement on leuprorelin, letrozole, ribociclib, and zoledronic acid, with sustained complete remission reported for 4 months from September to December 2023 and monthly follow-up advised.

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Stage IV HR-Positive Invasive Ductal Carcinoma: Dee's Patient Story

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

Biomarkers: ER-positive

Metastatic Site: Bones

As of October 2024, Dee was living with Stage IV metastatic ER-positive breast cancer after bone metastases were found in 2023 and had adapted to treatment with ribociclib.

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Stage IV HER2-Positive Invasive Ductal Carcinoma: Dee's Patient Story

Patient Info: Dee Doherty, Female, Under 40 | Stage IV

Biomarkers: Hormone-sensitive disease implied by letrozole and ovarian suppression; ER/PR/HER2 status not explicitly stated

Metastatic Site: bone

As of September 2024, Dee was living with Stage IV metastatic breast cancer. Her tumors had not shrunk, but disease was stable on ribociclib/Kisqali, letrozole, and ovarian suppression.

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Stage IV Breast Cancer: Lourdes's Patient Story

Patient Info: Lourdes Monje, Under 40 | Stage IV

Metastatic Site: lung

Lourdes is receiving investigational treatment through a clinical trial, with manageable side effects, while continuing to work and spend time with family and friends.

Metastatic Breast Cancer Treatment Complicated by a Supplement–Drug Interaction

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

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

Metastatic Site: bones

She resumed ribociclib with letrozole after the supplement was discontinued and the treatment-related neutropenia improved enough to restart therapy.

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Stage IV PIK3CA Breast Cancer: Abigail's Patient Story

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

Biomarkers: Hormone-positive breast cancer with PIK3CA mutation and germline ATM mutation; later PD-L1 somatic change reported. HER2 not stated.

Metastatic Site: Bone, including femurs, spine, and humeri; later liver

As of October 2022, Abigail was living with Stage IV hormone-positive metastatic breast cancer after years of treatment, bone-dominant disease that later involved the liver, targeted therapies, genomic testing, and advocacy around clinical trials and patient research participation.

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Stage IV Invasive Lobular Carcinoma: Carol's Survivor Story

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

Metastatic Site: Bone

Carol had de novo Stage IV breast cancer with bone metastases, achieved complete remission after chemotherapy, stayed on daily Letrozole for 10 years, then returned to NED/no active disease after Kisqali and Faslodex for bone progression.

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