Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . There is a subtle ill - defined opacity in the right lung base which could in the correct setting represent a very early pneumonia . Right hemidiaphragm is seen . Patient is rotated which limits evaluation . Heart size is top normal . No large effusions are seen . Mediastinal contour is normal . Bony structures are intact .
    OUTPUT:
    
Vague opacity at the right lung base which in the correct clinical setting could represent a very early / mild pneumonia .