This document provides information on bladder cancer, including its definition, types, epidemiology, anatomy, physiology, histopathology, risk factors, clinical features, diagnostic tests, treatment, complications, and common nursing diagnoses. Bladder cancer occurs when cells in the bladder grow uncontrollably and is the tenth most common cancer globally. The main types are urothelial carcinoma, adenocarcinoma, squamous cell carcinoma, and small cell carcinoma. Risk factors include smoking, occupational exposures, chronic infections, and radiation. Symptoms can include blood in the urine, pelvic or back pain, and painful or frequent urination. Diagnostic tests include scans, cystoscopy, biopsy, and urine tests. Treatments involve