“…Painless, progressive lymphadenopathy and a local mass, as well as systemic symptoms including fever, weight loss, and night sweats, are the characteristic clinical manifestations of lymphoma. In a study by Hagtvedt et al, 9 contrast-enhanced CT of retroperitoneal lymphoma showed low or moderate enhancement. In the present case, no suspicious lesions were found in other parts of the patient's body, and there were no systemic symptoms.…”