Malignant melanoma associated with congenital melanocytic nevus and diagnosed with intestinal metastases: Two case reports - ONAK KANDEMİR, Nilüfer and BAHADIR, Burak and BEKTAŞ, Sibel and BARUT, Figen and YURDAKAN, Gamze and DOĞAN GÜN, Banu and ENGİN, Hüseyin and AYDEMİR, Selim and ÖZDAMAR, Şükrü Oğuz (Turkish Journal of Gastroenterology, 2011)