Colonic mucosal fragments show an invasive carcinoma formed of irregular glandular formations lined by several layers of columnar malignant cells with related desmoplastic reaction. Tumor cells exhibit moderate anaplasia and mitosis.
Rt colonic polypoid ulcerated mass.
Soft tissue fragments collectively measured 1 cm, totally embedded.
Rt colonic polypoid ulcerated mass, endoscopic biopsy :