Breast Ductal Carcinoma In Situ, Intermediate Grade

**Semantic type:** Neoplastic Process

**Definition:** Breast ductal carcinoma in situ characterized by the presence of monomorphic neoplastic cells that form cribriform, micropapillary, or solid patterns. Intraluminal necrosis is present in some ducts. Ducts that contain neoplastic cells with occasional nucleoli and coarse chromatin may also be present.

**Synonyms:** - DCIS Grade 2 - DIN 2 - Ductal Intraepithelial Neoplasia, Grade 2 - Intermediate Grade Ductal Breast Carcinoma In Situ - Intermediate-Grade DCIS - Intermediate-Grade Ductal Carcinoma In Situ of Breast