Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly is stable . The mediastinal and hilar contours are normal . Central pulmonary vasculature congestion , retrocardiac opacity , and tiny left effusion are not significantly changed . No pneumothorax . Lines and tubes : The ETT tip is approximately 5 .5 cm above the carina . A left IJ venous line tip is in the upper SVC . Orogastric tube passes into the stomach and extends out of view .
    OUTPUT:
    
1 . No significant change from yesterday . Retrocardiac pneumonia appears similar to yesterday . 2 . ETT tip is approximately 5 .5 cm above the carina .