The exhibit displays an exophytic polypoidal lesion obstructing the lumen. Adjacent mucosa show flatten mucosal fold.

Section shows malignant glands arranged back to back pattern, arising from the mucosa, infiltrating into the stroma. They are pleomorphic, having vesicular to hyperchromatic nuclei, conspicuous nucleoli and moderate amount of cytoplasm.

Adenocarcinoma

Penerangan kasar: Spesimen menunjukkan ketumbuhan eksofitik yang memenuhi lumen. Mukosa berhampiran menunjukkan permukaan yang rata.