Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: This study is limited by body habitus and motion . The lungs are grossly clear except for mild atelectasis at the right base . Moderate to severe cardiomegaly is slightly worsened . The mediastinal contours are normal . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Slight worsening of moderate to severe cardiomegaly . 2 . Atelectasis at the right base but no evidence of pulmonary edema or pneumonia .