Blood Clearance Kinetics of the Nucleosome and CTCF in Peritoneal Metastasis Colorectal Cancer.

Inclusion Criteria

• •Common criteria:
• •* Male/female over 18 years of age.
• •* Weight ≥ 55 kg at inclusion.
• •* Signature of a free and informed consent form.
• •Specific criteria:
• •Group 1:
• •Peritoneal metastases colorectal cancer histologically proven
• •Synchronous or metachronous peritoneal metastases.
• •Patients eligible for initial cytoreduction surgery.
• •Non mucinous tumor (mucinous cells contingent \<30%).
• •Group 2:
• •Colorectal cancer
• •Group 3:
• •Non-oncological chronic inflammatory diseases
• •Group 4:
• •Non-oncological chronic inflammatory diseases : parietal repairs, elective sigmoidectomy for diverticulosis
• •Group 5:
• •Abdominal sepsis conditions: peritonitis due to digestive perforation in non-oncological pathology, non-perforated appendicitis, cholecystitis.
• •Patient with an active cancer (excluding colorectal cancer).
• •Person with a progressive autoimmune disease.