Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes remain low . Bibasilar atelectasis is similar . Interval removal of a right chest tube with a small apical pneumothorax . Severe cardiomegaly is essentially unchanged . Pulmonary edema has resolved . Evaluation of right IJ central venous catheter placement is limited by overlying radiodense lines . Median sternotomy wires are midline .
    OUTPUT:
    
1 . Small left apical pneumothorax . 2 . Resolved pulmonary edema . Unchanged severe cardiomegaly and bibasilar atelectasis .