17-Week Delay Surgery after Chemoradiation in Rectal Cancer with Complete Pathological Response

Figure 4

Resected specimen and histological result. (a) Resected specimen; (b) and (c) details of resected specimen; (d) mucin pools with histiocytes in muscular layer but no malignant epithelium; (e) and (f) immunohistochemistry analysis with cytokeratin AE1/AE3 confirms the absence of malignant epithelium.