Intact colonic mucosa moderately infiltrated by lymphocytes and plasma cells with lymphoid follicles. Mucigenic cells are mildly decresead. Some neutrophils are seen infiltrating glands but there is no evidence of crypt abscesses. No evidence of atypia or malignancy.
Chronic diarrhea. Biopsy from sigmoid colon.
Soft tissue fragments collectively measured 0.6 cm, totally.
Colon, endoscopic biopsy: