Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low with secondary crowding of the bronchovascular markings . No definite superimposed edema . There is no focal consolidation or effusion . Enlarged cardiac silhouette is unchanged given differences in technique on the current exam . Hypertrophic changes noted in the spine .
    OUTPUT:
    
Cardiomegaly without acute cardiopulmonary process .