Figure 1.
Histological characteristics of tumour regression after chemotherapy. (A) foamy degeneration of cancer cells (arrows); original magnification, ×200; haematoxylin and eosin stained. (B) Coagulation necrosis of cancer cells with formation of cholesterol crystals (arrows); original magnification, ×100; haematoxylin and eosin stained. (C) Neoplastic cells with stromal fibrosis; original magnification, ×200; haematoxylin and eosin stained. (D) Residual neoplastic cells with stromal fibrosis (arrows); original magnification, ×400; haematoxylin and eosin stained.