Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac size remains unchanged . The hilar and mediastinal contours are normal . There is blunting of the left costophrenic angle which raises the possibility of volume loss in the lower lobe and pleural fluid . There is no focal consolidation . There is no pneumothorax . ETT tube and PICC line are seen in unchanged position .
    OUTPUT:
    
Blunting of the left costophrenic angle which raises the possibility of volume loss in the lower lobe and pleural fluid .