Figure 21

DNA-mismatch repair immunohistochemical staining. Be aware not to confuse intact nuclear staining of lymphocytes as intact nuclear staining of tumor cells. (This figure was published in Current Concepts in Gynecologic Pathology: Epithelial Tumors of the Gynecologic Tract, An Issue of Surgical Pathology Clinics, 1e, Copyright Elsevier, 2011).