| 1 |
Localized only
- Single or multiple lesion(s)
+ Mucosa (e.g., oral cavity, anus, rectum, vagina, vulva)
+ Skin and/or connective tissue
+ Viscera (e.g., pulmonary, gastrointestinal tract, spleen, other) |
| 2 |
Regional by direct extension only
- Multiple lesion(s)
+ Mucosa plus skin and/or connective tissue
+ Viscera plus mucosa
+ Viscera plus skin and/or connective tissue |
| 3 |
Regional lymph node(s) involved only
- Both clinically enlarged palpable lymph node(s) (adenopathy) and pathologically positive lymph node(s)
- Clinically enlarged palpable lymph node(s) (adenopathy) and either pathologically negative node(s) or no pathological statement
- No clinically enlarged palpable lymph node(s) (adenopathy) but pathologically positive lymph node(s)
- Regional lymph node(s), NOS
+ Lymph node(s), NOS |
| 4 |
Regional by BOTH direct extension AND regional lymph node(s) involved
- Codes (2) + (3) |
| 7 |
Distant site(s)/lymph node(s) involved
- Distant site(s) (including further contiguous extension)
+ Multiple lesions in all THREE of following: viscera plus mucosa plus skin and/or connective tissue
- Distant lymph node(s), NOS
- Distant metastasis, NOS
+ Carcinomatosis
+ Distant metastasis WITH or WITHOUT distant lymph node(s) |
| 9 |
Unknown if extension or metastasis |
