Radiologic Findings of a Mediastinal Mass with Pleural Fluid Cytologic Analysis: A Case Report of Recurrent Mantle-Cell Lymphoma

This case report details a 69-year-old male who presented with a right-sided pleural effusion and a mediastinal mass that was ultimately identified as recurrent mantle-cell lymphoma, occurring over 20 years after his initial diagnosis. Imaging findings discussed include chest radiograph and chest, abdomen and pelvis computed tomography depicting the mass compressing on various neighboring structures.