Table 1. Tumor characteristics among 1,205 invasive cases of colorectal cancer diagnosed in 122,264 CTS participants, 1995–2009.
| Tumor characteristics | n | % |
|---|---|---|
| Stage | ||
| Localized | 504 | 42 |
| Regional | 443 | 37 |
| Distant | 208 | 17 |
| Unspecified | 50 | 4 |
| Colon | 917 | 76 |
| Proximal | ||
| Cecum | 271 | 22 |
| Ascending colon | 187 | 16 |
| Hepatic flexure | 56 | 5 |
| Transverse colon | 106 | 9 |
| Splenic flexure | 30 | 2 |
| Total proximal | 650 | 71 |
| Distal | ||
| Descending colon | 35 | 3 |
| Sigmoid | 194 | 16 |
| Large intestine, NOS | 38 | 3 |
| Total distal | 267 | 29 |
| Rectal | 288 | 24 |
| Recto sigmoid junction | 90 | 7 |
| Rectum | 198 | 16 |