Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable view of the chest demonstrates some accumulation of a left pleural effusion compared to yesterday 's chest radiograph . There are low lung volumes , but the right lung is grossly clear . There is no pneumothorax . The cardiomediastinal contour is unchanged . A left chest tube remains in the left lower lateral hemithorax . A left IJ projects over the origin of the SVC .
    OUTPUT:
    
Slight re-accumulation of left pleural effusion compared to yesterday .