Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral radiographs of the chest demonstrate low lung volumes from incomplete inspiratory effort . Mild cardiomegaly is stable . There is chronic scarring in the left lower lobe . There is no pneumothorax or pleural effusion . Pulmonary vascularity is normal , and there is no evidence of pulmonary edema . Surgical clips are once again seen in the upper mediastinum and the left upper quadrant of the abdomen .
    OUTPUT:
    
No evidence of acute cariopulmonary process .