Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are compared to previous exam from ___ . The lungs are clear . There is no consolidation or pulmonary vascular congestion . Cardiomegaly is unchanged . Median sternotomy wires again noted . Osseous and soft tissue structures are otherwise unremarkable . No free air is seen below the diaphragm .
    OUTPUT:
    
No acute cardiopulmonary process .