| in the segment of 2 | 8 patients | 5% |
| in the segment of 3 | 11 patients | 6% |
| in the segment of 4 | 10 patients | 6% |
| in the segment of 5 | 35 patients | 21% |
| in the segment of 6 | 19 patients | 11% |
| in the segment of 7 | 10 patients | 6% |
| in the segment of 8 | 13 patients | 8% |
| >to a segment | 62 patients | 37% |
| in the bile duct | 49 patients | 29.17% |
| Smokers | 110 patients | 65.48% |
| Non smokers | 58 patients | 35.52% |
| Cholecyst present | 136 patients | 80.95% |
| Cholecystectomy | 32 patients | 19.05% |