Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are relatively well expanded and grossly clear , with the exception of some mild basilar atelectatic changes , similar in appearance compared to the prior study . The cardiomediastinal silhouette is unremarkable . Median sternotomy wires , valve prosthesis , and AtriClip device are again noted . There is no pneumothorax , pleural effusion , overt pulmonary edema , or focal airspace opacification concerning for pneumonia . A right humeral head anchor screw is noted .
    OUTPUT:
    
No acute cardiopulmonary pathology .