Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate a right IJ catheter with the distal tip in the proximal SVC . There has been mild improvement of bilateral airspace opacitites . There is persistent cardiomegaly and vascular congestion , but improvement of pulmonary edema . The known right lower lobe pulmonary nodule seen on PET CT , is not well visualized radiographically . There is no pneumothorax . Pleural surfaces are normal .
    OUTPUT:
    
Persistent cardiomegaly and vascular congestion with improved pulmonary edema .