Simultaneous Minimally Invasive Treatment of Colorectal Neoplasm with Synchronous Liver Metastasis

Table 1

Demographic and clinical characteristics.

Variable	Patients n. 150 (%)
Age (years), range	60 (31–88)
ASA (n.)
Unknown	75 (50%)
ASA 1-2	52 (34.7%)
ASA 3-4	23 (15.3%)
Location of primary tumor (n.)
Right colon	35 (23.3%)
Left colon	36 (24%)
Rectum	79 (52.7%)
Number of liver metastases (n.)
Unknown	20 (13.3%)
Single	81 (54%)
Multiple	49 (32.7%)
Location of SLMs (n.)
Unilobar	131 (87.3%)
Bilobar	19 (12.7%)
Size of SLMs (n.)
Unknown	85 (56.6%)
≤2 cm	22 (14.6%)
>2 cm	43 (28.8%)

ASA: American Society of Anesthesiologists classification and SLMs: synchronous liver metastases.