Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Underpenetration of the radiograph secondary to overlying soft tissues . Low bilateral lung volumes . No focal consolidation , pleural effusion or pneumothorax identified . The size the cardiac silhouette is enlarged but unchanged . The tip of the right PICC line extends into the superior cavoatrial junction .
    OUTPUT:
    
Low bilateral lung volumes . No focal consolidation identified .