Hepatobiliary System and Exocrine Pancreas

A, A cross-section through the head of the pancreas and adjacent common bile duct showing both an ill-defined mass in the pancreatic substance (arrowheads) and the green discoloration of the duct resulting from total obstruction of bile flow. B, Poorly formed glands are present in a densely fibrotic (desmoplastic) stroma within the pancreatic substance.
Carcinoma of the pancreas