Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of a right - sided pigtail pleural catheter . A large loculated right pleural effusion and adjacent pulmonary opacity is not significantly changed from the prior study done today at 03 :30 . The left lung is hypoinflated but clear . The cardiomediastinal and hilar contours are stable . There is mild pulmonary vascular congestion and possible mild edema .
    OUTPUT:
    
Status post removal of right - sided pigtail catheter . Large right pleural effusion is not significantly changed . Subtly increased pulmonary vascular engorgement and mild pulmonary edema from the prior study done this morning .