Table 1.
Baseline characteristics of 72 patients with colorectal obstructions caused by extracolonic malignancy, n (%)
| Characteristics | Value |
| Age (yr, mean ± SD) | 56.1 ± 11.8 |
| Male | 34 (45.9) |
| Primary malignancy | |
| Gastric cancer | 44 (61.1) |
| Pancreaticobiliary cancer | 11 (15.3) |
| Ovary cancer | 6 (8.3) |
| Uterine cancer | 2 (2.8) |
| Bladder cancer | 6 (8.3) |
| Breast cancer | 2 (2.8) |
| Esophageal cancer | 1 (1.4) |
| Obstruction site | |
| Rectum | 19 (26.4) |
| Sigmoid colon | 19 (26.4) |
| Descending colon | 1 (1.4) |
| Splenic flexure | 15 (20.8) |
| Transverse colon | 16 (22.2) |
| Hepatic flexure | 2 (2.8) |
| Ascending colon | 0 |
| Degree of obstruction (scope passing) | |
| Partial | 8 (11.1) |
| Near total | 64 (88.9) |
| Peritoneal carcinomatosis | 51 (70.8) |
| Previous chemotherapy | 63 (87.5) |
| Previous radiotherapy | 12 (16.7) |
| Stent diameter (mm, median) | 24 (24-24) |
| Stent length (cm, median) | 10 (8-12) |
| Stent length ≤ 10 cm | 38 (58.5) |