Humaid O. Al-Shamsi1, Bryan K. Kee1, Michael T. Tetzlaff2, Robert A. Wolff1 Department of Gastrointestinal Medical Oncology, Department of Pathology, Division of Pathology/Lab Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas, TX 77030, USA Correspondence to: Humaid O. Al-Shamsi. Assistant Professor, Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, TX 77030, USA

Thrombotic events in metastatic colorectal cancer patients treated with leucovorin, fluorouracil and irinotican (FOLFIRI) plus bevacizumab Humaid O. Al-Shamsi1,2,3, Abdulaziz Al Farsi1, Mahraz Anjum2, Hua Shen2, Kevin Zbuk1, Richard J. Cook2, Lori-Ann Linkins4, Pierre Major1 1Department of Oncology, McMaster University, Hamilton, Ontario, Canada; 2Department of Statistics and Actuarial Science, University of Waterloo, Waterloo, Ontario, Canada; 3Department of Medicine, Sheikh Zayed Military Hospital, Abu Dhabi, United Arab Emirates; 4Department of Medicine, McMaster University, Hamilton, Ontario, Canada Correspondence to: Humaid O. Al-Shamsi, MD, FRCPC, FACP. Department of Gastrointestinal Medical Oncology, Unit 426, 1515 Holcombe Blvd, Houston, TX 77030, USA. Email: halshamsi@mdanderson.org. Submitted Jan 29, 2015. Accepted for publication Feb 13, 2015. Breast Surgery Dubai UAE Sadir Alrawi MD FRCSEd FRCSEng, Best Oncology Team for ColoRectal Surgery, Head & Neck Surgery, Liver & Pancreas Surgery, Melanoma & Sarcoma, HIPEC, Breast Surgery, Lung Surgery, Esophageal & Stomach, Urological Oncology, Gynecological Oncology, with American Boarded Medical Oncologists