NAACCR Item #3883: LN Size

Item # Length Source of Standard Year Implemented Version Implemented Year Retired Version Retired
3,883 4 NAACCR 2018 18

NAACCR XML: Tumor.lnSize


Lymph Nodes Size records diameter of the involved regional lymph node(s) with the largest diameter of any involved regional lymph node(s). Pathological measurement takes precedence over a clinical measurement for the same node.

Lymph Nodes Size is a Registry Data Collection Variable in AJCC for several chapters. It was previously collected in the Head and Neck chapters as Size of Lymph Nodes, SSF# 1


0.0No involved regional nodes
0.1-99.90.1-99.9 millimeters (mm) (Exact size of lymph node to nearest tenth of a mm)
XX.1100 millimeters (mm) or greater
XX.2Microscopic focus or foci only and no size of focus given
XX.3Described as "less than 1 centimeter (cm)"
XX.4Described as "at least" 2 cm
XX.5Described as "at least" 3 cm
XX.6Described as "at least" 4 cm
XX.7Described as greater than 5 cm
XX.8Not applicable: Information not collected for this case (If this item is required by your standard setter, use of code XX.8 will result in an edit error)
XX.9Not documented in medical record Regional lymph node(s) involved, size not stated Lymph Nodes Size not assessed, or unknown if assessed

Each Site-Specific Data Item (SSDI) applies only to selected primary sites, histologies, and years of diagnosis. Depending on applicability and standard-setter requirements, SSDIs may be left blank.