Breast Pleomorphic Lobular Carcinoma In Situ

**Semantic type:** Neoplastic Process

**Definition:** Breast lobular carcinoma in situ characterized by the presence of neoplastic large cells with marked nuclear pleomorphism.

**Synonyms:** - Non-Invasive Pleomorphic Lobular Carcinoma of the Breast - PLCIS - Pleomorphic Lobular Breast Carcinoma In Situ - Pleomorphic Lobular Carcinoma in Situ of the Breast - pLCIS