Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Slightly limited evaluation due to patient positioning . The lungs are well inflated . Lower lobe opacity best seen on lateral projection is consistent with a hiatal hernia . The lungs are clear . No pleural effusion or pneumothorax . Stable mild cardiomegaly noted . Mild calcification of the aortic arch is present . Mediastinal contour and hila are unremarkable . Limited evaluation of the osseous structures are notable for dextroscoliosis with apex at the mid thoracic spine .
    OUTPUT:
    
1 . Lower lobe opacity best seen on lateral projection is consistent with hiatal hernia . 2 . Stable mild cardiomegaly .