Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right PICC is unchanged with tip ending in proximal right atrium . Lung volume is still low with mild vascular congestion , but no consolidation . Mild blunting of the left costofrenic angle can be due to small pleural effusion . Heart is mildly enlarged . Mediastinum is larger for central vein distention . There is no pneumothorax .
    OUTPUT:
    
Mild pulmonary edema with central vein distention , but without consolidation .