Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . The lungs are clear . There is no effusion , consolidation , or pulmonary vascular congestion . Cardiac silhouette is slightly enlarged . No acute osseous abnormalities detected .
    OUTPUT:
    
Mild cardiomegaly without definite cardiopulmonary process or congestive failure .