“…The differential diagnosis of intrathoracic splenosis includes lung carcinomas, pleural metastases, lymphoma, malignant mesothelioma, invasive thymoma, gossypiboma and fibrous tumors of the pleura. Scintigraphy with Tc-99m-labeled and heat-altered erythrocyte is the gold standard method [5,6]. Thorax CT shows a well-defined, homogeneous, pleural-based nodule in the left hemithorax [7,8].…”