From: Two staging systems for gastrointestinal stromal tumors in the stomach: which is better?
No. of patients (%) | |
---|---|
Median age, years (range) | 59 (4–79) |
Sex, n (%) | |
Male | 64 (44.1) |
Female | 81 (55.9) |
Tumor location, n (%) | |
Upper third | 81 (55.9) |
Middle third | 52 (35.9) |
Lower third | 12 (8.3) |
Median tumor size, cm (range) | 3.1 (0.7–26) |
Tumor size (cm), n (%) | |
≤ 2 | 29 (20.0) |
> 2, ≤5 | 91 (62.8) |
> 5, ≤10 | 17 (11.7) |
> 10 | 8 (5.5) |
Mitotic count (per 50 high-power fields), n (%) | |
≤ 5 | 98 (67.6) |
> 5, ≤10 | 25 (17.2) |
> 10 | 22 (15.2) |
Histologic subtype, n (%) | |
Spindle type | 130 (89.7) |
Epithelioid type | 13 (9.0) |
Mixed type | 2 (1.4) |
Operative method, n (%) | |
Laparoscopic surgery | 86 (59.3) |
Open surgery | 59 (40.7) |