Site-Specific Factor 1: Measured Thickness (Depth), Breslow Measurement

Note: Code MEASURED THICKNESS (Depth) of tumor (Breslow measurement), not size. Record actual measurement in millimeters from Pathology Department.

Code	Description
000	No mass/tumor found
001 - 988	0.01 - 9.88 millimeters Code exact measurement in HUNDREDTHS of millimeters. Examples: 001 0.01 millimeter 002 0.02 millimeters 010 0.1 millimeter 074 0.74 millimeters 100 1 millimeters 105 1.05 millimeters 988 9.88 millimeters
989	9.89 millimeters or larger
990	Microinvasion; microscopic focus or foci only; no size given
999	Unknown; size not stated Not documented in patient record