Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest were acquired . Patchy right lower lobe opacities are suggestive of atelectasis . The lungs are otherwise clear . The heart is mildly enlarged . The mediastinal contours are normal . There are no pleural effusions . No pneumothorax is seen . The trachea is normal in course and caliber .
    OUTPUT:
    
1 . Patchy right lower lobe opacities , suggestive of atelectasis ; if there is any clinical concern for pneumonia , however , short - term follow - up radiographs could be considered . 2 . Mild cardiomegaly .