Lacrimal Gland Carcinoma pT4b TNM Finding v8

**Semantic type:** Finding

**Definition:** Lacrimal gland carcinoma with involvement of adjacent structures, including sinuses, temporal fossa, pterygoid fossa, superior orbital fissure, cavernous sinus, or brain and measuring more than 2 cm but 4 cm or less in greatest dimension. (from AJCC 8th Ed.)