Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No overall significant interval change . The right PICC line ends in the right atrium , approximately 2 cm distal to the expected region of the cavoatrial junction . Lung volumes remain low . Moderate layering left pleural effusion with rightward shift of the mediastinum is overall unchanged . The lower left heart border and left hemidiaphragm remain obscured . Mild pulmonary edema is also overall unchanged . The heart is mildly enlarged . Mediastinum and hilar contours are grossly unchanged . No pneumothorax . TIPS catheter projects over the right upper quadrant and is uniform in caliber throughout , unchanged from the prior exam . No pneumoperitoneum .
    OUTPUT:
    
No significant interval change - unchanged moderate left pleural effusion and mild pulmonary edema .