Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . The patient 's chin obscures the superior mediastinum . There are streaky lower lung opacities likely the sequelae of chronic aspiration . No large effusion or pneumothorax . Heart size can not be assessed . Mediastinal contour is unchanged . No signs of congestion or edema . Bony structures are intact .
    OUTPUT:
    
Streaky lower lung opacities likely sequelae of chronic aspiration .