Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Redemonstrated is a chronic , retrocardiac opacity with adjacent left pleural effusion . Mild interstitial pulmonary edema is present . Stable , moderate cardiomegaly is noted . There is a left - sided Port - A - Cath is seen extending into the lower SVC . There is no evidence of pneumothorax . The mediastinal contours are stable . No bony abnormality is detected .
    OUTPUT:
    
1 . Interval development of mild interstitial pulmonary edema . 2 . Chronic retrocardiac opacity with adjacent left pleural effusion . 3 . Stable cardiomegaly .