Table 1. Prognostic factors for long-term course after the resection of hepatic metastases of colorectal carcinoma.

Author	Number of patients	Tumor size	Number	Synchronous/metachronous	Tumor-free interval	Stage of ‧primary tumor	Preop. CEA	Type of resection
Minagawa (e45)	235	–	+	–	–	+	–	–
Cady (e46)	244	–	+	–	–	–	+
Iwatsuki (e24)	305	+	+	+	+	+		+
Scheele (e47)	469	+	–	+		+	+	+
Jonas (3)	660	–	+		–	+		+
Jaeck (e6)	747	–	–		–	+	–	–
Fong (2)	1001	+	+		+	+	+	+
Nordlinger (9)	1568	+	+	+	+	+	+	–