Table 4.
Colorectal cancer staging n (%)
| Present series | Value | SEER2 | Value | 
| Age < 50 yr | |||
| Stage 11 | 37 (21) | Localized | 30% | 
| Stage 2 | 47 (26) | Regional | 40% | 
| Stage 3 | 70 (39) | Distant | 27% | 
| Stage 4 | 26 (14) | Unstaged | 3% | 
| Age ≥ 50 yr | |||
| Stage 1 | 88 (22) | Localized | 38% | 
| Stage 2 | 143 (36) | Regional | 37% | 
| Stage 3 | 135 (34) | Distant | 19% | 
| Stage 4 | 26 (7) | Unstaged | 6% | 
Two patients had Stage 0 disease and one patient had Tis disease following polypectomy;
Surveillance Epidemiology and End Results (SEER) 18, 2000-2009 stage distribution. Localized (confined to primary site), regional (spread to regional lymph nodes), distant (cancer has metastasized).