Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest show an ovoid calcific mass at the level of the aortic arch corresponding to partially calcified pseudoaneurysm . Some blunting of the left costophrenic angle and elevation of the left hemidiaphragm and pleural thickening are unchanged compared to the patient 's preoperative film and may be related to known prior surgery in the left hemithorax . New on today 's study is obscuration of the right hemidiaphragm which appears related to both some pleural fluid and some consolidation in the right middle lobe .
    OUTPUT:
    
New right effusion and right basilar / middle lobe consolidation which could represent either atelectasis or pneumonia .