Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Increased attenuation in the peripheral lung bases likely represents artifact due to overlying soft tissues ; however there is subtle opacity projecting over the lateral left lung base , while not substantiated on the lateral view , consolidation from infection can not be entirely excluded . There is no vascular congestion , overt edema , or large pleural effusions . Cardiomediastinal and hilar contours are within normal limits .
    OUTPUT:
    
Increased attenuation in the peripheral lung bases likely represents artifact due to overlying soft tissues ; however there is subtle opacity projecting over the lateral left lung base , while not substantiated on the lateral view , consolidation from infection can not be entirely excluded .