Primary diffuse large B-cell lymphoma of the sigmoid colon.

This addition has been shown to improve outcome and prolong progression-free, event-free, disease-free, and overall survival in patients diagnosed with DLBCL [12] , [16] , [17] There is an increasing trend towards the use of anthracycline and monoclonal antibody combination in majority of the cases and surgery is reserved for emergent situations such as obstruction, perforation, or bleeding [21] .

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