Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiograph moderately well expanded lungs with mild right lower lobe atelectasis . No focal opacity . No pleural effusion or pneumothorax . Persistent mild cardiomegaly is noted . Mediastinal contour , and hila are unremarkable . Limited assessment of the upper abdomen is within normal limits .
    OUTPUT:
    
1 . Mild right lower lobe atelectasis . No pneumonia . 2 . Stable mild cardiomegaly .