Fig. 4From: Two cases of radiation-associated angiosarcoma of the breastMacroscopic findings of mapping biopsy and pathological examination (case 2). a A red dot indicates the surgical trace. Yellow dots indicate locations at which atypical endothelial cells were observed. b Atypical endothelial cells, in which the degree of atypia was less than that of the primary tumor (H.E. staining: × 20). Arrow: atypical endothelial cellsBack to article page