chest film antero-posterior (ap) view of a 21 years old man, demonstrated mediastinal mass and blunting of left costophrenic angle

adult angle anteroposterior background blunting bone cardiac care chest closeup costal costophrenic demonstrate demonstrated diagnosis disease effusion emergency enlargement exam examining film final healthcare heart hospital human ill illness image investigation left lung lymph lymphoma man mass mediastinal mediastinum medicine nodes organ patient pattern phrenic physician plain pleura pleural rib right shoulder show sick sickness skeleton spines sputum surgery test trachea view xray