[Clinical Features and Prognosis of Secondary Intestinal Diffuse Large B-Cell Lymphoma].

Patients with SI-DLBCL are more common in middle-aged and elderly men, and the early clinical manifestations lack specificity, and the first-line treatment regimen is mainly R-CHOP chemotherapy, and Lugano stage is an independent prognostic factor affecting OS and PFS in SI-DLBCL patients.