Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable single frontal chest radiograph was obtained . A left PICC line terminates in the mid SVC . There is evidence of a prior right mastectomy and axillary node dissection . The previous opacity at the right lung base has markedly improved , although a moderate right - sided pleural effusion remains . Left basilar atelectasis is unchanged with a possible small left pleural effusion . Previous moderate pulmonary edema has improved as well . The heart remains moderately enlarged . Mediastinal and hilar contours are unchanged with persistent prominence of the right mediastinum , consistent with known lymphadenopathy . There is no pneumothorax .
    OUTPUT:
    
1 . Interval improvement in pulmonary edema . Moderate cardiomegaly . 2 . Moderate right pleural effusion with possible small left pleural effusion and bibasilar atelectasis . 3 . Stable right mediastinal widening consistent with known lymphadenopathy .