Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been mild interval progression of moderate cardiomegaly . Median sternotomy wires and mediastinal clips are noted . There is no focal consolidation , pleural effusion , pneumothorax , or pulmonary edema . There are no interstitial changes . Overall , there is little change from the prior study of ___ .
    OUTPUT:
    
1 . No radiographic evidence amiodarone toxicity . 2 . Mild interval progression of moderate cardiomegaly .