Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is subsegmental bilateral lower lung atelectasis , as seen on CT from ___ . The lungs are otherwise clear . The heart size is normal . The mediastinal contours are normal . There are no pleural effusions . No pneumothorax is seen .
    OUTPUT:
    
No acute cardiac or pulmonary process . Findings were discussed with Dr . ___ by Dr . ___ at 7 :04 a .m . via telephone on the day of the study , in order to correct a preliminary read of right lower lobe pneumonia .