Table 2. Resected lesion characteristics.
|
Total |
Group-A |
Group-B |
||||
|---|---|---|---|---|---|---|
| n | % | n | % | n | % | |
| Total number of resected lesions |
175 |
100 |
67 |
38.3 |
108 |
61.7 |
|
Histology of resected lesions | ||||||
| Colorectal cancer liver metastasis |
155 |
88.6 |
59 |
88.1 |
96 |
88.9 |
| No-colorectal cancer liver metastasis |
20 |
11.4 |
8 |
11.9 |
12 |
11.1 |
| Hamartoma | 1 | 0.6 | 1 | 1.5 | 0 | 0 |
| Cyst | 4 | 2.3 | 4 | 6 | 0 | 0 |
| Necrosis | 7 | 4 | 0 | 0 | 7 | 6.5 |
| Giant-cell reaction | 3 | 1.7 | 1 | 1.5 | 2 | 1.9 |
| Focal nodular hyperplasia | 1 | 0.6 | 0 | 0 | 1 | 0.9 |
| Steatosis |
4 |
2.3 |
0 |
0 |
4 |
3.7 |
|
Onset time of liver lesions | ||||||
| Synchronous | 133 | 76 | 40 | 59.7 | 93 | 86.1 |
| Metachronous | 42 | 24 | 27 | 40.3 | 15 | 13.9 |
Abbreviations: Group-A=patients directly resected; Group-B=patients resected after preoperative chemotherapy.