Appendix Neuroendocrine Tumor pT3 TNM Finding v9

**Semantic type:** Finding

**Definition:** Appendix neuroendocrine tumor measuring more than 4 cm in greatest dimension, or with subserosal invasion, or involvement of the mesoappendix. (from AJCC 9th Ed.)

**Synonyms:** - Appendiceal Neuroendocrine Tumor pT3 TNM Finding v9