likely pathogenic|conflicting interpretations of pathogenicity|uncertain significance
all ages
1-9 / 100 000|20-30% her2-positive cases for metastatic carcinomas, and only 11% of the screen-detected breast carcinomas displayed her2/neu gene amplification.
Cancer predisposition; Hereditary Cancer Syndrome; Hereditary neoplastic syndrome; Neoplastic Syndromes, Hereditary; Sarcoma family syndrome of Li and Fraumeni; Tumor predisposition