Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low , accounting for some vascular crowding . There is fullness of the right cardiphrenic angle which may represent patchy atelectasis although aspiration and / or pneumonia can not be excluded . Subtle increased opacity of the right upper lobe abutting the minor fissure may reflect aspiration . More focal nodularity in the right upper lobe contiguous to the ___ costochondral joint is felt to be due to a combination of patient 's rotation and degenerative changes . The cardiomediastinal and hilar contours are unremarkable . Heart is likely upper limits of normal in size given portable technique . There is no radiopaque foreign object visible in the thorax .
    OUTPUT:
    
No evidence of radiopaque foreign object . Subtle opacity in the right cardiphrenic angle might represent atelectasis but consolidation can not be excluded . Increased opacity in the right upper lobe could represent aspiration or early pneumonia . Follow up with PA and lateral chest radiographs is recommneded with an appropriate inspiratory effort .