Table II.
Distribution of T2 and T3 tumors with different tumor locations.
| T2 (n=82) | T3a (n=114) | |||
|---|---|---|---|---|
| Factors | Peritoneal-side (n=46) | Hepatic-side (n=36) | Peritoneal-side (n=69) | Hepatic-side (n=45) |
| N1 and N2b | 6 | 16 | 35 | 30 |
| N2 | 1 | 2 | 5 | 11 |
| Mb | 1 | 5 | 13 | 15 |
| Staging | ||||
| IIa | 40 | NA | NA | NA |
| IIb | NA | 20 | NA | NA |
| IIIa | NA | NA | 33 | 11 |
| IIIb | 5 | 11 | 23 | 16 |
| IVb | 1 | 5 | 13 | 18 |
| Status | ||||
| Alive | 32 | 12 | 13 | 8 |
| Succumbed | 14 | 24 | 56 | 37 |
a
For T3 GBC tumors, only if a region of a tumor invaded directly into the liver parenchyma, tumors were classified as being located on the hepatic-side. All other tumors were classified as being located on the peritoneal-side
b
N factor and M factor were clinically determined on the basis of either histopathological data or radiographic evaluation. NA, not applicable; N, regional lymph nodes; M, distant metastasis.