Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of the endotracheal tube and enteric tube . The left - sided PICC terminates in the mid to lower SVC . Median sternotomy wires are intact . The heart is mildly enlarged , unchanged compared to prior study . The mediastinal silhouette is widened likely postsurgical . Mild pulmonary edema has improved . There is improved aeration of the left lung base . A small right pleural effusion persists . There is no pneumothorax .
    OUTPUT:
    
1 . Improved aeration of the the left lung base . 2 . Improved mild pulmonary edema . 3 . Stable mild cardiomegaly .