Regarding Opinion Review article -Tumor laterality in primary intestinal diffuse large B-cell lymphoma: A prognostic leap or an anatomical mirage? While the title seems interesting and may intrigue readers, tumor laterality refers simply to the side of the body on which a tumor is located, left or right. The author may consider simplifying the title, e.g. Left or right side tumor location in primary intestinal diffuse large B-cell lymphoma may affect prognosis, or similar.