Sarcopenia After Neoadjuvant Radiation Is Associated With Increased Length of Stay Following Resection of Retroperitoneal Sarcoma.
BACKGROUND Sarcopenia, defined as loss of muscle mass and function, has been identified as a negative prognostic factor in outcomes of major abdominal cancer operations. We sought to understand the impact of sarcopenia, using the psoas muscle index (PMI) as a surrogate, during neoadjuvant radiation (NR) on perioperativ...