Table 1.
Clinical characteristics of 384 patients with pedunculated type early invasive colorectal cancer
| Head invasion | Stalk invasion | Total | |
|---|---|---|---|
| Total number, n (%) | 240 (63) | 144 (37) | 384 (100) |
| Gender (M/F), n (%) | 183 (76)/57 (24) | 103 (72)/41 (28) | 286 (74)/98 (26) |
| Age (years), mean (range) | 62.1 (36–87) | 63.6 (29–89) | 62.7 (29–89) |
| Size (mm), mean ± SD† (range) | 17.5 ± 7.4 (6–60) | 19.4 ± 9.0 (5–57) | 18.2 ± 8.0 (5–60) |
| Location, n (%) | |||
| Rectum | 11 (5) | 12 (8) | 23 (6) |
| Sigmoid colon | 194 (81) | 110 (76) | 304 (79) |
| Descending colon | 13 (5) | 5 (4) | 18 (5) |
| Transverse colon | 10 (4) | 4 (3) | 14 (3) |
| Ascending colon | 12 (5) | 13 (9) | 25 (7) |
| Treatment strategy, n (%) | |||
| Endoscopic resection | 139 (58) | 15 (10) | 154 (40) |
| Endoscopic resection followed by surgical operation | 67 (28) | 89 (62) | 156 (41) |
| Surgical operation | 34 (14) | 40 (28) | 74 (19) |
| Follow‐up period, median (months) | 43 | 47 | 44 |
| <12 months, n (%) | 17 (8) | 4 (3) | 21 (6) |
| 12–36 months | 43 (20) | 22 (18) | 65 (19) |
| >36 months | 159 (72) | 95 (79) | 254 (75) |
†Standard deviation.