Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . There is left perihilar opacity new from prior concerning for an early pneumonia . Lungs otherwise clear . No large effusion or pneumothorax . Cardiomediastinal silhouette is unchanged with mitral annular calcification again noted and borderline cardiomegaly . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Subtle right perihilar opacity concerning for an early pneumonia .