Transgender is a term used to describe people whose gender identity does not . rest and you will have a urinary catheter and some drains as well, which will. 18 Sep Transgender performance artist Cassils has spent days collecting his urine for the work PISSED, as part of his larger exhibition titled. It is this portion of the prostate that enlarges with age and causes progressive blockage to the flow of urine out of the bladder. Before this operation is performed .