Impact of Preoperative Sarcopenia on Survival and Perioperative Outcomes After Radical Cystectomy for Bladder Cancer.
BACKGROUND Sarcopenia, the loss of skeletal muscle mass and function, is an adverse prognostic factor in oncology. The computed tomography-derived skeletal muscle index (SMI) is a pragmatic surrogate of muscle mass, but contemporary data on its impact on survival and perioperative outcomes after radical cystectomy rema...