Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lower lung volumes seen on the current exam . Increased interstitial markings are likely secondary to chronic underlying interstitial process superimposed on atelectasis . There is no consolidation worrisome for pneumonia , overt edema nor large effusion . The cardiomediastinal silhouette is within normal limits . Aortic core valve device is noted . No acute osseous abnormalities .
    OUTPUT:
    
No definite acute cardiopulmonary process .