Collaborative Stage Data Set - Revised 08/30/2013 FINAL


CS Site-Specific Factor 4
Levels IV-V and Retropharyngeal Lymph Nodes for Head and Neck

000No involvement in Levels IV or V or retropharyngeal lymph nodes
100Level IV lymph node(s) involved
010Level V lymph node(s) involved
001Retropharyngeal nodes involved
110Levels IV and V lymph nodes involved
101Levels IV and retropharyngeal lymph nodes involved
011Levels V and retropharyngeal lymph nodes involved
111Levels IV and V and retropharyngeal lymph nodes involved
988Not applicable:  Information not collected for this case
(If this item is required by your standard setter, use of code 988 will result in an edit error.)
999Unknown if regional lymph nodes involved, not stated
Regional lymph nodes cannot be assessed
Not documented in patient record

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