CS Site-Specific Factor 5

Linear Choroidal Invasion

Notes

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

Default

988

NAACCR Item

NAACCR #2920
Code Description
000 No involvement of choroid
001-979 00.1 - 97.9 millimeters (mm)
(Exact length of choroidal involvement to nearest tenth of mm)

Examples:
001 0.1 mm
010 1 mm
042 4.2 mm
100 10 mm OR 1 centimeter (cm)
103 10.3 mm
980 98.0 mm 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 Choroidal linear involvement stated as less than 3 mm
994 Choroidal linear involvement stated as greater than 3 mm
999 Unknown or no information
Not documented in patient record