Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the prior radiograph pulmonary edema is nearly resolved . There is an unchanged small right and trace left pleural effusion with associated bibasilar atelectasis worse at the right lung base . Focal opacity in the left mid lung and at the left lung base with apparent air bronchograms is essentially unchanged . Moderate cardiomegaly is unchanged . There is no pneumothorax .
    OUTPUT:
    
1 . Unchanged left midlung opacity with air bronchograms , concerning for pneumonia . 2 . Possible mild fluid overload without pulmonary edema , improved from prior . 3 . Right - sided pleural effusion with adjacent right basilar opacity potentially atelectasis noting that infection is possible as well .