Collaborative Stage for TNM 7 - Revised 11/12/2010  [ Schema ]

Rectum

CS Site-Specific Factor 2
Clinical Assessment of Regional Lymph Nodes

CodeDescription
000Nodes not clinically evident; imaging of regional nodes performed and nodes not mentioned
010Metastasis in 1 regional node, determined clinically

Stated as clinical N1a
020Metastases in 2-3 regional nodes, determined clinically

Stated as clinical N1b
030Tumor deposits without regional nodal metastasis

Stated as clinical N1c
100Metastases in 1-3 regional nodes, determined clinically

Stated as clinical N1 [NOS]
110Metastases in 4-6 regional nodes, determined clinically

Stated as clinical N2a
120Metastases in 7 or more regional nodes, determined clinically

Stated as clinical N2b
200Metastases in 4 or more regional nodes, determined clinically  Stated as clinical N2 [NOS]
400Clinically positive regional node(s), NOS
888OBSOLETE DATA CONVERTED V0200
See code 988

Not applicable for this site
988Not 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.)
999Regional lymph node(s) involved pathologically, clinical assessment not stated
Unknown if regional lymph nodes clinically evident
Not documented in patient record