Site of colorectal cancer in overall study population and in those missed by double contrast barium enema and colonoscopy
| Site | Study population (n=1298) (n (%)) | Missed by DCBE (n=37) (n (%)) | Missed by colonoscopy (n=13) (n (%)) |
|---|---|---|---|
| Caecum | 196 (15) | 11 (30) | 4 (31) |
| Ascending colon | 133 (10) | 5 (14) | 0 |
| Hepatic flexure | 22 (2) | 2 (5) | 2 (15) |
| Transverse colon | 88 (7) | 1 (3) | 1 (8) |
| Splenic flexure | 21 (2) | 0 | 0 |
| Descending colon | 51 (4) | 0 | 0 |
| Sigmoid colon | 311 (24) | 11 (30) | 2 (15) |
| Rectum | 463 (35) | 6 (16) | 3 (23) |
| Unspecified | 13 (1) | 1 (3) | 1 (8) |
DCBE, double contrast barium enema.