Collaborative Stage

Collaborative Stage for TNM 7 - Revised 12/31/2009 [ Schema ]

CS Site-Specific Factor 5
Linear Choroidal Invasion

Note: Record the greatest linear extent of tumor involvement in the choroid in tenths of millimeters. Code 030 if stated as 3 millimeters. Code information from clinical documentation in the record, or from pathology report if resection of primary tumor performed.

Code	Description
000	No involvement of choroid
001-979	00.1 - 97.9 millimeters (code exact length in tenths of millimeters) Examples: 001 0.1 millimeter 010 1 millimeter 042 4.2 millimeters 100 10 millimeters, 1 centimeter 103 10.3 millimeters
980	98.0 millimeters or larger
988	Not applicable: Information not collected for this case (May include cases converted from code 888 used in CSv1 for "Not applicable" or when the item was not collected. If this item is required to derive T, N, M, or any stage, use of code 988 may result in an error.)
993	Stated as less than 3 millimeters
994	Stated as greater than 3 millimeters
999	Unknown; size not stated Information not assessed Not documented in patient record