Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Relatively lower lung volumes are again seen with crowding of the bronchovascular markings . There is no evidence of consolidation , effusion or overt pulmonary edema . The cardiomediastinal silhouette is stable with similar degree of cardiomegaly likely accentuated by low lung volumes . No acute osseous abnormalities .
    OUTPUT:
    
Cardiomegaly without definite superimposed acute cardiopulmonary process .