Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate low lung volumes . There are prominent interstitial markings . Reticular opacities are most pronounced at lung bases bilaterally . There is no pleural effusion . No focal consolidation . There is no pneumothorax . Mild apical scarring is noted . Hilar and mediastinal silhouettes are unremarkable . Aortic arch calcifications are noted . The heart is mildly enlarged . Sternotomy wires are noted . Partially imaged upper abdomen is unremarkable .
    OUTPUT:
    
1 . Prominent interstitial markings and reticular opacities , most pronounced in the lung bases may reflect interstitial edema or interstitial lung disease . 2 . Mild to moderate cardiomegaly .