Inclusion in other clinical protocols requiring administration of anticoagulant drugs;

Life expectancy \< 6 month;

Clinical diagnosis of thrombophilic condition by laboratory analysis;

Previously implanted Central Venous Catheter;

Previous or concomitant second neoplasia;

Clinical diagnosis of kidney, liver or heart failure;

Inflammatory markers alteration associated with disease unrelated to neoplasia (infection, connective tissue disease etc);

Severe hemostasis disorder;

Role of the MET Oncogene in Human Colorectal Cancer - A Translational Study