Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided PICC ends in the upper SVC . Pleural effusions have a subpulmonic component and are unchanged . Bibasilar atelectasis is improved . Small left apical pneumothorax has decreased . There is mild interstitial edema . Cardiomegaly is stable . Median sternotomy wires are intact .
    OUTPUT:
    
1 . The small left apical pneumothorax has decreased in size . 2 . Unchanged bilateral pleural effusions with possible subpulmonic component . 3 . Bibasilar atelectasis is slightly improved .