Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hypoinflated with crowding of vasculature and bibasilar , left greater than right , opacities better assessed on same day CT abdomen and pelvis . No pleural effusion or pneumothorax . Heart size , mediastinal contour , and hila are unremarkable . The aorta is tortuous . Visualized osseous structures are notable for chronic deformity of the right humeral head .
    OUTPUT:
    
Low lung volumes with bibasilar , left greater than right , opacities , most consistent with atelectasis and possible chronic aspiration , better assessed on same - day CT abdomen and pelvis .