The French county Calvados registry of digestive cancers will allow to identify patients with a metastatic colorectal cancer diagnosed between 2004 and 2014.

Patients will be included if the cancer was diagnosed at the metastatic stage between 2004 and 2014 or non-metastatic before 2004 that became metastatic between 2004 and 2014 (synchronous and metachronous tumors)

Exposure measurement to any anticancer drug in its therapeutic use for the metastatic colorectal cancer with its posology and duration (the list provided is non-limitative). Exposure to anticancer drugs for another indication than the colorectal cancer will also be collected.

Any cardiovascular adverse event (e.g. the non limitative list: ischaemic heart disease, heart failure, hypertension, ischaemic stroke, embolic or thrombotic events, arrhythmias, conductive disorders) that was the primary diagnosis of a hospital admission.

Any anticancer drug (chemotherapy) intake will be considered for the primary analysis.

We will use a competing risk statistical model.

Drug exposure will be defined as a binary variable for each drug. (intakes/no intakes). A competing risk model will be used.