Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Relatively low lung volumes are seen with secondary crowding of the bronchovascular markings . No focal consolidation identified . Cardiac silhouette is enlarged but likely in part accentuated due to low lung volumes . Tortuous descending thoracic aorta is noted with atherosclerotic calcifications of the aortic arch . No acute osseous abnormality identified .
    OUTPUT:
    
Cardiomegaly . No acute cardiopulmonary process .