Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . There is no focal consolidation , large effusion , or edema . There is moderate cardiac enlargement , likely accentuated by portable technique . Median sternotomy wires are intact . No acute osseous abnormalities .
    OUTPUT:
    
Cardiomegaly without superimposed acute cardiopulmonary process .