AUG 15, 2026 · JOURNAL ARTICLE
Breast metastasis from BRCA1-mutated ovarian cancer: response to parp inhibition and a potential lymphatic route
BMC Women S Health
Single case report documenting an unusual metastatic pattern and therapeutic response; raises mechanistic questions about lymphatic spread and HER2 conversion but lacks comparative data or generalizable evidence.
Reported
Progression-free survival on olap…27 months
Patient age at presentation44 years
HER2 status at recurrenceIHC 2+ with FISH amplification