Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly is unchanged . Low lung volumes with vascular crowding are seen . Previously seen question of pneumoperitoneum is minimal if any . If definitive answer is needed , recommend follow - up CT abdomen or CT torso for further evaluation . Small right pleural effusion is unchanged .
    OUTPUT:
    
1 . Questionable pneumoperitoneum is minimal if any . 2 . Stable right pleural effusion .