Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest provided . Lung volumes are low . The heart is mildly enlarged . At the right lung base , a subtle opacity is noted , new from prior exam , indeterminate . No large effusion or pneumothorax is seen . On the lateral view , there is subtle double density overlying the heart . Consider CT to further assess . Mediastinal contour is unremarkable . The bony structures are intact .
    OUTPUT:
    
Mild cardiomegaly . Vague opacity at the right lung base , question pneumonia . Please correlate clinically and consider CT to further assess .