ESR1 and neoplasm: Clinical: N/ADemographic: AgePathological: clinical stage, tumor grade (1, 2,and 3), ER, PR, HER2, Ki-67 index, BRCA1 status, BRCA2 status, and number of treatment cyclesRadiomics: morphological features (patterns of tumor response ( such as progression, no change, regression with fragmentation, regression without fragmentation and resolution), and descriptors from BI-RADs lexicon features (such as tumor shape and margins)) and quantitative texture features (GLCM).