Name	Value
NAME	CILIARY BODY
T-CLASS ENCODING	CBA CODE: TX ACOS CODE: TX NET CODE: T0 ACOS CODE: T0 Limited to ciliary body CODE: T1 ACOS CODE: T1 Invades anterior chamber and/or iris CODE: T2 ACOS CODE: T2 Invades choroid CODE: T3 ACOS CODE: T3 Extraocular extension CODE: T4 ACOS CODE: T4 Not Applicable CODE: NA ACOS CODE: NA
6TH EDITION (T) CODES	DESCRIPTION: CBA CODE: TX DESCRIPTION: 10-16mm in dia/2.5-10mm in height w macro extra CODE: T2c DESCRIPTION: > 16mm in dia/> 10mm in height w/o extraocular CODE: T3 DESCRIPTION: > 16mm in dia/> 10mm in height w extraocular CODE: T4 DESCRIPTION: NA CODE: NA DESCRIPTION: NET CODE: T0 DESCRIPTION: 10mm in dia/2.5mm in height CODE: T1 DESCRIPTION: 10mm in dia/2.5mm in height w/o micro extraocular CODE: T1a DESCRIPTION: 10mm in dia/2.5mm in height w micro extraocular CODE: T1b DESCRIPTION: 10mm in dia/2.5mm in height w macro extraocular CODE: T1c DESCRIPTION: 10-16mm in dia/2.5-10mm in height CODE: T2 DESCRIPTION: 10-16mm in dia/2.5-10mm in height w/o micro extra CODE: T2a DESCRIPTION: 10-16mm in dia/2.5-10mm in height w micro extra CODE: T2b
6TH EDITION (T) CODE HELP	Primary Tumor (T) T1b Tumor 10 mm or less in greatest diameter and 2.5 mm or less in greatest height (thickness) with microscopic extraocular extension T1c Tumor 10 mm or less in greatest diameter and 2.5 mm or less in greatest height (thickness) with macroscopic extraocular extension T2 Tumor greater than 10 mm but not more than 16 mm in greatest basal diameter and between 2.5 and 10 mm in maximum height (thickness) T2a Tumor 10 mm to 16 mm in greatest basal diameter and between 2.5 and 10 mm in maximum height (thickness) without microscopic extraocular extension T2b Tumor 10 mm to 16 mm in greatest basal diameter and between 2.5 and 10 mm in maximum height (thickness) with microscopic extraocular extension Ciliary Body T2c Tumor 10 mm to 16 mm in greatest basal diameter and between 2.5 and 10 mm in maximum height (thickness) with macroscopic extraocular extension T3 Tumor more than 16 mm in greatest diameter and/or greater than 10 mm in maximum height (thickness) without extraocular extension T4 Tumor more than 16 mm in greatest diameter and/or greater than 10 mm in maximum height (thickness) with extraocular extension TX Primary tumor cannot be assessed T0 No evidence of primary tumor T1 Tumor 10 mm or less in greatest diameter and 2.5 mm or less in greatest height (thickness) T1a Tumor 10 mm or less in greatest diameter and 2.5 mm or less in greatest height (thickness) without microscopic extraocular extension
6TH EDITION (N) CODE HELP	Regional Lymph Nodes (N) NX Regional lymph nodes cannot be assessed N0 No regional lymph node metastasis N1 Regional Lymph node metastasis
7TH EDITION (T) CODES	T-CODE: 2D T-CODE: 3A T-CODE: 3B T-CODE: 3C T-CODE: 3D T-CODE: 4A T-CODE: 4B T-CODE: 4C T-CODE: 1A T-CODE: 4D T-CODE: 4E T-CODE: X T-CODE: 1B T-CODE: 1C T-CODE: 1D T-CODE: 2A T-CODE: 2B T-CODE: 2C
7TH EDITION (T) CODE HELP	Primary Tumor (T) extraocular extension less than or equal to 5 mm in diameter T1d Tumor size category 1 with ciliary body involvement and extraocular extension less than or equal to 5 mm in diameter T2 Tumor size category 2 T2a Tumor size category 2 without ciliary body involvement and extraocular extension T2b Tumor size category 2 with ciliary body involvement T2c Tumor size category 2 without ciliary body involvement but with extraocular extension less than or equal to 5 mm in diameter T2d Tumor size category 2 with ciliary body involvement and extraocular extension less than or equal to 5 mm in diameter T3 Tumor size category 3 T3a Tumor size category 3 without ciliary body involvement and extraocular extension 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 diameter T3d Tumor size category 3 with ciliary body involvement and extraocular extension less than or equal to 5 mm in diameter T4 Tumor size category 4 TX Primary tumor cannot be assessed T4a Tumor size category 4 without ciliary body involvement and extraocular extension T4b Tumor size category 4 with ciliary body involvement T4c Tumor size category 4 without ciliary body involvement but with extraocular extension less than or equal to 5 mm in diameter T4d Tumor size category 4 with ciliary body involvement and extraocular extension less than or equal to 5 mm in diameter T4e Any tumor size category with extraocular extension more than 5 mm in diameter T0 No evidence of primary tumor T1 Tumor size category 1 T1a Tumor size category 1 without ciliary body involvement and extraocular extension T1b Tumor size category 1 with ciliary body involvement T1c Tumor size category 1 without ciliary body involvement but with
N-CLASS ENCODING	NCA CODE: NX ACOS CODE: NX NRN CODE: N0 ACOS CODE: N0 Regional lymph node metastasis CODE: N1 ACOS CODE: N1 Not Applicable CODE: NA ACOS CODE: NA
7TH EDITION (M) CODES	M-CODE: 1A M-CODE: 1B M-CODE: 1C
7TH EDITION (M) CODE HELP	Distant Metastasis (M) M0 No distant metastasis M1 Distant metastasis M1a Largest diameter of the largest metastasis <=3 cm M1b Largest diameter of the largest metastasis 3.1-8.0 cm M1c Largest diameter of the largest metastasis 8.1 cm or more
M-CLASS ENCODING	Distant metastasis cannot be assessed CODE: MX ACOS CODE: MX No distant metastasis CODE: M0 ACOS CODE: M0 Distant metastasis CODE: M1 ACOS CODE: M1
5TH EDITION T-CODE HELP	Primary Tumor (T) TX Primary tumor cannot be assessed T0 No evidence of primary tumor T1 Tumor limited to ciliary body T2 Tumor invades into anterior chamber and/or iris T3 Tumor invades choroid T4 Tumor extraocular extension

CILIARY BODY (51) AJCC STAGING GROUPS (164.33)