A patient presenting with acute intestinal obstruction and secondary peritonitis, found intraoperatively to have rectosigmoid thickening causing the obstruction, biopsy samples obtained from lymph nodes, omentum, and mesentery.
Received is omental tissue measured 7.5x4x0.7 cm. Also received a separate fatty tissue fragment measuring 1.8x1.5x1 cm, entering 4 lymph nodes largest measuring 0.3 cm.
Omentum, biopsy:
Lymph nodes, excision biopsy: