1.
患者及肿瘤特征
Patient and tumor characteristics
| Variable | n |
| M: male; F: female; AAH: atypical adenomatous hyperplasia; AIS: adenocarcinoma in situ; MIA: microinvasive adenocarcinoma; IAC: invasive adenocarcinoma. | |
| Age (yr) | |
| < 50 | 625 |
| ≥50 | 395 |
| Gender (M/F) | 496/524 |
| Tumor location: | |
| R: S1/S2/S3/S4/S5/S6/S7/S8/S9/S10 | 102/97/84/0/0/88/65/69/46/34 |
| L: S1+2/S3/S4/S5/S6/S8/S9/S10 | 138/76/5/0/78/53/43/42 |
| Tumor size | |
| < 1 cm | 558 |
| < 2 cm and > 1 cm | 462 |
| Pathology | |
| Benign | 98 |
| AAH | 225 |
| AIS | 386 |
| MIA | 264 |
| IAC | 47 |
| Operation time (min) | |
| < 120 | 585 |
| ≥120 | 435 |