Bladder Cancer Stages Diagram - Visual Guide to Tumor Progression #3692120 (License: Personal Use)

The image depicts a cross-section of the human bladder with labeled anatomical structures-bladder, urine, and urethra-and shows black tumor masses at varying depths and locations. Early-stage tumors appear confined to the bladder lining, while advanced stages show invasion into the muscle layer, urethral obstruction, and metastasis to regional lymph nodes depicted as green branching structures.

Used on oncology, urology, or patient education web pages to explain TNM staging; matches user intent for understanding diagnosis, prognosis, or treatment planning for bladder cancer.