| Basic data | N |
|---|---|
| Number of cases | 152 |
| Age (years) | |
| Mean ± SD | 51.6 ± 9.6 |
| Range | 26–71 |
| Gender | |
| Male (%) | 58 (38.2) |
| Female (%) | 94 (61.8) |
| Symptoms | |
| No symptoms (%) | 97 (63.8) |
| Abdominal pain (%) | 55 (36.2) |
| Tumor size | |
| > 10 cm and < 15 cm (%) | 107 (70.4) |
| > 15 cm (%) | 48 (29.6) |