Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild cardiac enlargement . The hilar and mediastinal contours are normal . The lungs are well - expanded and clear . There are no pulmonary effusions or pneumothorax . The pulmonary vasculature is not congested . No focal consolidations are seen . Visualized osseous structures are grossly unremarkable .
    OUTPUT:
    
No radiographic evidence of an acute cardiopulmonary process or signs of heart failure .