Metastatic Melanoma of the Gallbladder ACS BAP1 INACTIVATED MELANOCYTIC TUMORS RARE CASES WITH METASTATIC POTENTIAL: While BAP1 inactivated melanocytic tumors are generally considered low risk lesions with predominantly benign behavior, emerging evidence suggests that this assumption may After the immune system destroys melanoma tumors, visible melanin can be left behind. We tracked tumoral melanosis in a case series of patients on immunotherapy and offer suggestions for how to monitor Metastatic melanoma Stock Image C056 0518 Science Photo Library