Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is mildly enlarged . The mediastinal contours are unremarkable . There is mild perihilar haziness with upper zone vascular redistribution and vascular indistinctness compatible with mild pulmonary edema . More focal ill - defined opacities within the lung bases could reflect aspiration . No pleural effusion or pneumothorax is identified . There are no acute osseous abnormalities .
    OUTPUT:
    
Mild pulmonary edema . More focal ill - defined opacities in the lung bases are concerning for aspiration .