Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is moderate to severe thoracic dextroscoliosis which complicates the interpretation of this study . In comparison most recent study , the right lung volume is lower and the left lung volume is slightly increased . The lower lung volume on the right could be due to worsening atelectasis and / or worsening pleural effusion . Slight improvement of left pleural effusion but worsening of lower lung atelectasis . The apices are difficult to assess due position of the patient 's neck and chin overlying these regions . Severe cardiomegaly is stable .
    OUTPUT:
    
No pulmonary edema . Worsening bibasilar atelectasis .