Tumor Size Summary

Notes

See the SEER Program Coding Manual for coding instructions.

Default

999

NAACCR Item

NAACCR #756
Code Tumor Size Description
000

No mass/tumor found

001

1 mm or described as less than 1 mm

002-988

Exact size in millimeters (2 mm to 988 mm)

989

989 millimeters or larger

990

Microscopic focus or foci only and no size of focus is given

999

Unknown
Size not stated
Not documented in medical record
Size of tumor cannot be assessed
Not applicable