| International Staging System | No of cases | % age |
| Stage 1 | 2 | 22.2 |
| Stage 2A | 2 | 22.2 |
| Stage 2B | ND | ND |
| Stage 3 | ND | ND |
| Stage 4 | ND | ND |
| Stage 4S | 5 | 55.5 |