...- Participant must show evidence of specific DNA changes/genetic mutations defined as follows: A) BAP1 loss (the loss of a protein called ubiquitin carboxyl-terminal hydrolase) verified by physicians at the University of Chicago using sampling tests AND/OR B) A mutation (abnormal change) in the participant's germ cells (reproductive cells) or somatic cells (non-reproductive cells) that disrupts protein function in at least one of the patient's genes....