label: Appendix Carcinoma pT4 TNM Finding v9
label_lc: appendix carcinoma pt4 tnm finding v9
description: Appendix carcinoma with tumor invading the visceral peritoneum, including the acellular mucin or mucinous epithelium involving the serosa of the appendix or mesoappendix, and/or directly invading adjacent organs or structures. (from AJCC 9th Ed.)