Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The examination is unchanged without evidence of overt pulmonary edema . Minimal right lower lung atelectasis identified . Stable mild peripheral subpleural lucencies throughout both lungs but with relative sparing of the left lung base . Unchanged cardiomediastinal silhouette . No pleural effusion or pneumothorax identified . Multilevel degenerative changes are noted in the mid thoracic spine .
    OUTPUT:
    
Stable cardiomegaly without evidence of overt pulmonary edema , effusion or pneumonia . Chronic lung changes with pattern suggestive of NSIP .