Collaborative Stage

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

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

Note: This CS Site-Specific Factor is obsolete beginning with CS Version 2 (codes, code descriptions, and notes). Old data are retained during conversion, but new cases are not coded 000-888 or 999. Use code 988 for this field.
OBSOLETE V0200 Note: In the rare instance that the number of clinically positive nodes is stated but a clinical N category is not stated, code 1-3 nodes as 100 (N1), and 4 or more nodes as 200 (N2).

Code	Description
000	OBSOLETE DATA RETAINED V0200 Nodes not clinically evident
100	OBSOLETE DATA RETAINED V0200 Clinically N1
200	OBSOLETE DATA RETAINED V0200 Clinically N2
400	OBSOLETE DATA RETAINED V0200 Clinically positive regional nodes, NOS
888	OBSOLETE DATA CONVERTED V0200 See code 988 Not applicable
988	Not applicable: Information not collected for this schema
999	OBSOLETE DATA RETAINED V0200 Unknown if nodes are clinically evident