Table 2.
Clinical characteristics of the patients from whom serum was collected before and after endoscopic treatment
| Characteristics | Patients (n = 26) |
| Age, n (%) | |
| <70 yr | 13 (50.0) |
| ≥70 yr | 13 (50.0) |
| Sex, n (%) | |
| Male | 10 (38.5) |
| Female | 16 (61.5) |
| Location, n (%) | |
| Right colon | 19 (73.1) |
| Left colon | 7 (26.9) |
| Macroscopic type, n (%) | |
| Protruding | 3 (11.5) |
| LST-G | 15 (57.7) |
| LST-NG | 8 (30.8) |
| Tumor size, n (%)a | |
| <12.6 cm2 | 13 (50.0) |
| ≥12.6 cm2 | 13 (50.0) |
| Vienna Classification, n (%) | |
| Category 3 | 14 (53.8) |
| Category 4 | 12 (46.2) |
LST-G, laterally spreading tumor granular type; LST-NG, laterally spreading tumor nongranular type.
a
Tumor size was assessed by the elliptical area and was calculated from long and short axes (cm) in resected specimens.