Fig. 4From: Surgical resection of hepatic and rectal metastases of pancreatic acinar cell carcinoma (PACC): a case reportGross features of the surgical specimen of the rectal tumor (a, frontal view). The cross-sectional loupe view demonstrated that the tumor created polypoid elevation of its surface, contained nodular components and ulceration, and penetrated the rectal mucosa into the submucosa and muscularis propria (b)Back to article page