Kinetics of Perioperative Circulating DNA in Cancer Surgery (Periop ctDNA)

Inclusion Criteria:

• The patient must have given their free and informed consent and signed the consent form
• The patient must be a member or beneficiary of a health insurance plan
• The patient is aged between 18-75
• Patient must weigh >40kg
• The patient will receive adjusted carcinological surgery
• Indication of curative surgery
• The patient has already undergone tumoral biopsy prior to surgery
• The patient has stage M0 cancer of either colon (right or left colonic adenocarcinoma), prostate (adenocarcinoma) or breast (infiltrating carcinoma)

Exclusion Criteria:

• The subject is in a period of exclusion determined by a previous study
• The patient is under safeguard of justice
• The subject refuses to sign the consent
• It is impossible to give the subject informed information
• The patient is pregnant, parturient or breast feeding
• Chronic alcoholism
• The patient has received radiotherapy or chemotherapy periopratively
• Cancer other than colon, breast or prostate
• The patient has currently or in the past, had a cancerous lesion
• Neo-adjuvant therapy (immunotherapy, radiotherapy, chemotherapy)
• Emergency cancer surgery