Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . The lungs remain clear . There is no effusion or pulmonary vascular congestion . Cardiac silhouette is stable . Median sternotomy wires again seen . No acute osseous abnormality detected . Surgical clips seen in the right upper quadrant .
    OUTPUT:
    
No acute cardiopulmonary process .