Table 2. Patient's characteristics analyzed by MCAM.

Patient	Gender	Age	Tumor	Size	Histology	Liver	Duration*	Genes methylated at
		(yrs)	location	(mm)		metastasis	(months)	liver metastasis
A	F	65	Proximal	40	Mod	synchronous	3	307 (4.7%)**
B	M	73	Proximal	51	Mod-Muc	metachronous	46	716 (10.9%)**
C	M	60	Distal	23	Mod	metachronous	12	427 (6.5%)**

^*, Duration between surgical resection for primary cancer and surgical resection for liver metastasis.

^**, A vs. B; B vs. C; A vs. C;

p<.0001. Mod, moderately differentiated adenocarcinoma; Muc, mucinous carcinoma; NA, not applicable.