Intact rectal mucosa mildly infiltrated by lymphocytes and plasma cells with lymphoid follicles. Mucigenic cells are intact. Some neutrophils are seen infiltrating glands but there is no evidence of crypt abscesses. No evidence of atypia or malignancy.
Edematous rectal mucosa.
Soft tissue fragment measured 0.7x0.5x0.3 cm, totally embedded.
Rectum, endoscopic biopsy: