case_images: PMC6375731_01
case_images: Posteroanterior chest X-ray showed increase in density in the lower zone of the right hemithorax .
case_images: 10-1055-s-0038-1661416-i1800028cr-1.jpg
case_images: PMC6375731_01_10-1055-s-0038-1661416-i1800028cr-1.jpg
case_images: FI1800028cr-1
case_images: Posteroanterior chest X-ray revealed pleural effusion in the lower right hemithorax ( Fig. 1 ).
case_images: Computed tomography (CT) showing pleural thickening in the right hemithorax and pleural effusion.
case_images: 10-1055-s-0038-1661416-i1800028cr-2.jpg
case_images: PMC6375731_01_10-1055-s-0038-1661416-i1800028cr-2.jpg
case_images: FI1800028cr-2
case_images:  Computed tomography (CT) and positron emission tomography/CT (PET-CT) revealed pleural effusion and thickening, with a high maximum standard uptake value of 10.4 in the right hemithorax ( Fig. 2 ).
case_images: Biopsy specimen of the lower right parietal pleura. Megakaryocytes (hematoxylin and eosin staining; original magnification: x 40).
case_images: 10-1055-s-0038-1661416-i1800028cr-3.jpg
case_images: PMC6375731_01_10-1055-s-0038-1661416-i1800028cr-3.jpg
case_images: FI1800028cr-3
case_images: Definite pathology was reported as follicular lymphoma ( Fig. 3 ), and the patient was referred to the Hematology Department for further treatment.