T1d TNM Finding

**Semantic type:** Finding

**Definition:** A term that refers to a TNM finding of ophthalmic sites melanoma. For conjunctival melanoma it refers to tumor of the bulbar conjunctiva, involving 3 or more quadrants. For choroidal and ciliary body melanoma it refers to tumor size category 1 with ciliary body involvement and extraocular extension 5 mm or less in largest diameter. (from AJCC v8 Ed.)

**Synonyms:** - T1d