Figure 2

High-grade ductal carcinoma in situ (DCIS) seen as neoplastic cells more than 2.5 erythrocytes in diameter with clumped chromatin, some with multiple, prominent nucleoli. Central comedo-type necrosis is also present (bottom left).
High-grade ductal carcinoma in situ (DCIS) seen as neoplastic cells more than 2.5 erythrocytes in diameter with clumped chromatin, some with multiple, prominent nucleoli. Central comedo-type necrosis is also present (bottom left).