Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP view of the chest provided . Compared to prior study from 1 day ago , there is no significant change . Right lung and left basilar opacities are unchanged . Moderate right pleural effusion wtih apical component is also stable . Right - sided pigtail catheter is in unchanged position .
    OUTPUT:
    
No significant change compared to prior study 1 day ago .