Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . Unchanged opacities in the right apex are consistent with radiation changes , better seen in CT from same date as this exam . Linear opacities in the left lower lobe are likely atelectasis . There are no other focal opacities . The patient has known chronic dilatation of the esophagus . Cardiac size is normal . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
1 . No evidence of acute cardiopulmonary process . Left lower lobe atelectasis . 2 . Radiation changes in the right apex as well as chronic esophageal dilatation are unchanged since at least ___ .