Summary from Dryad: "Abstract: INTRODUCTION: Lobular carcinoma in situ (LCIS) has been accepted as a marker of risk for the development of invasive breast cancer, yet modern models of breast carcinogenesis include LCIS as a precursor of low-grade carcinomas. We provide evidence favoring a clonal origin for LCIS and synchronous estrogen receptor-positive malignant lesions of the ductal and lobular...

Description from cBioPortal: "MSK-MET (Memorial Sloan Kettering - Metastatic Events and Tropisms) is an integrated pan-cancer cohort of tumor genomic and clinical outcome data from 25,000 patients. We analyzed this dataset to identify associations between tumor genomic alterations and patterns of metastatic dissemination across 50 tumor types. We found that chromosomal instability is strongly correlated...