Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate hyperexpanded lungs . The small regions of peribronchial opacification at the right and left lung base are much less conspicuous on this exam . The heart size is normal . The cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion , pneumothorax , or pulmonary edema . Again seen is a wedge - shaped deformity of the mid thoracic vertebral body , unchanged from prior .
    OUTPUT:
    
Peribronchial opacities at the bilateral bases are much less conspicuous on this exam .