Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is borderline enlarged . The aorta is tortuous . The mediastinal and hilar contours otherwise are unchanged . Pulmonary vascularity is not engorged . Small right pleural effusion is relatively unchanged compared to the prior study . Previously seen left pleural effusion appears improved if not resolved . There is minimal bibasilar atelectasis . No pneumothorax is identified . There are no acute osseous abnormalities . Partially imaged is a percutaneous catheter within the upper abdomen .
    OUTPUT:
    
Small right pleural effusion , relatively unchanged compared to prior study with improvement and possible resolution of the previously noted small left pleural effusion . Mild bibasilar atelectasis .