Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . The heart size is mildly enlarged , similar to prior . Cardiomediastinal contours are otherwise unremarkable . Calcification of the aortic knob is unchanged . Right lung base linear opacities are similar to prior and consistent with atelectasis . No focal consolidation , pleural effusion , or pneumothorax .
    OUTPUT:
    
No focal consolidation or pleural effusion . Mild cardiomegaly .