Stage IIIA includes: (T2c-d, N0, M0); (T3b-c, N0, M0); (T4a, N0, M0). T2c: Tumor size category 2 without ciliary body involvement but with extraocular extension less than or equal to 5 mm in largest diameter. T2d: Tumor size category 2 with ciliary body involvement and extraocular extension less than or equal to 5 mm in largest diameter. T3b: Tumor size category 3 with ciliary body involvement. T3c: Tumor size category 3 without ciliary body involvement but with extraocular extension less than or equal to 5 mm in largest diameter. T4a: Tumor size category 4 without ciliary body involvement and extraocular extension. N0: No regional lymph node metastasis. M0: No distant metastasis. (AJCC 8th ed.) [from NCI]