Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lower lung volumes seen on the frontal exam when compared to prior with secondary right basilar opacity compatible with atelectasis . On the lateral view the lungs are clear . There is no focal consolidation or large effusion . The cardiomediastinal silhouette is within normal limits . Atherosclerotic calcifications noted within the thoracic aorta which is tortuous . No acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process .