
																
																	Performance Status is a Predictor of Overall Survival of Elderly Patients With Muscle Invasive Bladder Cancer 
																
																
																
															Keywords: OS، بقا کلی; urinary bladder neoplasms; geriatric assessment; survival; Karnofsky Performance StatusBMI, body mass index; COPD, chronic obstructive pulmonary disease; KPS, Karnofsky performance status; OS, overall survival; RC, radical cystectomy; TUR, transurethral r