Figure 2From: Primary acantholytic squamous cell carcinoma of the cecum: a case reportThe tumor-cecum mucosa boundary of the acantholytic squamous cell carcinoma of the cecum. (A) The tumor began in the colonic mucosa and was top heavy (H&E, × 40). (B) The tumor-cecum mucosa boundary also indicated primary tumor (H&E, × 200).Back to article page