GASTROINTESTINAL HEMORRHAGE (2): Melena. Melena, the passage of black, tarry stools, usually implies blood loss greater than 500 ml originating anywhere between the oropharynx and the right hemicolon. Melena occurs most often, Enhancing melanoma detection through multiple datasets integration and robust deep learning Cluster Computing Springer Nature Link Having melena in stool makes it Melenic Stool NOT Melanotic stool MELENIC MELANOTIC #MedTwitter #IMbound #EMbound #MedEd #GITwitter Melanocytic nevi and melanoma: unraveling a complex relationship Oncogene Our Extra Special Skin: What is Melanin & Who Has It? PROUDLY Differentiating between early melanomas and melanocytic nevi: A state of the art review ScienceDirect