Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . Compared with ___ , I doubt significant interval change . MIld hyperinflation of the lungs raises the question of background COPD . The heart is at the upper limits of normal or slightly enlarged . The aorta is calcified and slightly tortuous . NO chf , focal inifiltrate , or gross effusionis identified . MInimal blunting of both costophrenic angles is noted . Slight bowing of a distal lower lobe fissure on the lateral view could reflect imonor volume loss / atelectasis . Mild t - scpine degenerative change noted .
    OUTPUT:
    
No acute pulmonary process identified . No pneumothorax identified . No rib fracture detected on these lung technique films .