Primary colonic lymphoma: report of two cases and a literature review

Primary colonic lymphoma is a very rare malignant tumor with no standard treatment. We report two cases of primary successfully treated surgery and chemotherapy, chemotherapy alone, respectively. The first case was 61-year-old woman who presented abdominal pain more than 1 month. patient diagnosed tumor, immunohistochemical examinations confirmed the initial diagnosis lymphoma. underwent laparoscopic-assisted right hemicolectomy followed by postoperative adjuvant cyclophosphamide, doxorubicin, vincristine, prednisone (CHOP) regimen, combined targeted therapy rituximab (R-CHOP). second 78-year-old man complaint distention for year. Diffuse large B-cell definitively examinations, systemic R-CHOP regimen. type non-Hodgkin's (NHL), clinical treatment not standardized, unlike many other types Therefore, mainly based on patient’s symptoms to determine whether or appropriate. Rituximab effective in some patients may play an important role unresectable asymptomatic