Collaborative Stage for TNM 7 - Revised 03/30/2009  [ Schema ]


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

000No lymph node involvement in Levels IV or V or retropharyngeal
100Level IV lymph node(s) involved
010Level V lymph node(s) involved
001Retropharyngeal nodes involved
110Level IV and V lymph nodes involved
101Level IV and retropharyngeal nodes involved
011Level V and retropharyngeal nodes involved
111Level IV and V and retropharyngeal lymph nodes involved
999Unknown if regional lymph node(s) involved, not stated
Regional lymph nodes cannot be assessed
Not documented in patient record