Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph demonstrates ill - defined patchy opacities diffusely throughout the right lung . The left lung is clear . The cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion . Visualized osseous structures are unremarkable .
    OUTPUT:
    
Ill - defined patchy opacities diffusely throughout the right lung which in a patient with history of recent vomiting is most compatible with aspiration pneumonia .