Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest show persistent low inspiratory lung volumes . The lungs are clear without focal consolidation , pleural effusion , or pneumothorax . No pulmonary edema is present and the pulmonary vasculature is not engorged . The cardiac silhouette is normal in size . The mediastinal and hilar contours are within normal limits . Multiple surgical clips are noted in the right upper quadrant of the abdomen consistent with prior surgery .
    OUTPUT:
    
No acute cardiopulmonary process .