Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mediastinal and cardiac contours mild enlargement is stable . Right - sided subclavian line ends in cavoatrial junction . Right PICC line in lower SVC . Atrioventricular pacemaker is in adequate position . Bilateral moderate to severe pleural effusion is unchanged except for increased small loculation in minor fissure . Pulmonary edema is mild and stable . There is no pneumothorax . NG tube is in the stomach . As described yesterday , mild small bowel dilatation is seen and unchanged .
    OUTPUT:
    
1 . Tubes and lines are in adequate position . 2 . Moderate to severe bilateral pleural effusions are stable except for more fissural loculation on the right side . 3 . Stable mild small bowel dilatation is of unknown origin .