Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . There are ill - defined opacities in the lower lungs bilaterally compatible with pneumonia . The upper lungs appear well aerated . No large effusions are seen . The heart appears normal in size . Mediastinal contour is unremarkable . There is no pneumothorax . Bony structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
Ill - defined opacities in the lower lungs are most compatible with pneumonia .