Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is blunting of the right costophrenic angle , which could be caused by a small right - sided pleural effusion . There is left base atelectasis . No focal consolidation or pneumothorax is seen . No interstitial changes that might reflect amiodarone toxicity are noted . There is left ventricular enlargement and a large left pulmonary artery is identified .
    OUTPUT:
    
1 . No interstitial changes that might reflect amiodarone toxicity . However , if clinical concern , CT is recommended for further evaluation . 2 . Blunting of the right costophrenic angle , which could be caused by a small pleural effusion .