Neoadjuvant FOLFOXIRI Chemotherapy in Patients With Locally Advanced Colon Cancer

Inclusion Criteria * Age: 18-75years old * Primary and pathological diagnosis of colon adenocarcinoma * Radiographic evaluation of initial resectable colon cancer * T4b colon cancer * ECOG status: 0～1 * Adequate bone marrow, hepatic and renal function as assessed by the following laboratory requirements conducted within 7 days of starting study treatment: Neutrophil count≥1.5×10\^9/L Platelet count≥90×10\^9/L Hemoglobin≥90g/L Total bilirubin (TBI) ≤ 1.5 \* ULN Alanine aminotransferase (ALT)≤2.5 \* ULN Aspartate aminotransferase (AST)≤2.5 \* ULN Alkaline phosphatase (ALP)≤2.5 \* ULN * Signed informed consent; able to comply with study and/or follow- up procedures Exclusion Criteria: * Previous treatment with oxaliplatin, irinotecan or fluorouracil * Hypersensitivity to fluorouracil, oxaliplatin or irinotecan. * With distant metastasis * Cardiovascular disease that would preclude study treatment or follow-up; New York Heart Association class III or IV heart disease; active ischemic heart disease; myocardial infarction within the past 6 months; symptomatic arrhythmia uncontrolled hypertension. Unexplained syncope occurred within 3 months * Digestive system diseases that would preclude study treatment or follow-up within the past 6 months * Gastric ulcers or duodenal ulcers for the treatment of resistance; * 3 or 4 grade gastrointestinal bleeding / bleeding; * Gastrointestinal perforation / fistula; * abdominal abscess; * Infectious or inflammatory bowel disease * HIV infection and/or active hepatitis B virus infection * Pregnant or lactating women. Fertile patients must use effective contraception * Any serious acute or chronic disease that can not be involved in the study or to influence the interpretation of the results of the study * Other intervention clinical trials were combined at the same time. * Nerve or mental abnormality affecting cognitive ability * Other malignancy except effectively treated squamous cell or basal cell skin cancer, * Other situations that the researchers think should be excluded