Sarcomatoid Transitional Cell Carcinoma, also known as transitional cell carcinoma, spindle cell, is related to bladder urothelial carcinoma and bladder cancer. An important gene associated with Sarcomatoid Transitional Cell Carcinoma is WDR77 (WD Repeat Domain 77), and among its related pathways/superpathways are ERK Signaling and Endometrial cancer. Related phenotypes are neoplasm and growth/size/body region