Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior radiograph , the IABP has been removed . ET tube , NG tube , and left PICC line catheter are unchanged . A Swan - Ganz catheter tip is seen in the right main pulmonary artery . Again seen are bilateral diffuse hazy opacities with haziness at the bases , which could represent pleural effusion . The cardiomediastinal silhouette is grossly unchanged .
    OUTPUT:
    
Removal of IABP . Otherwise , no significant change .