Fig. 1From: A rare case of recurrent primary anorectal melanoma emphasizing the importance of postoperative follow-upsa MRI pelvis: 4 cm long thickening of the dorsal distal rectum wall without signs of sphincter infiltration; b 18F-FDG PET-CT: Metabolic active lesion at the anorectal transition without signs of lymphatic or distant metastasisBack to article page