Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to two hours prior there is interval placement of a right pigtail catheter with tip projecting over the right diaphragmatic surface and is in appropriate position . Significant decrease in right pleural effusion with persistent veil - like opacity in the right lung suggesting small to moderate pleural effusion . Heterogeneous opacity in the right lower lobe superior to the minor fissure likely represents layering residual pleural effusion . No pneumothorax . No mediastinal shift . The left lung is unchanged with small area of linear atelectasis . Partially visualized heart size and mediastinal contours are normal . Hilar contours are normal . Unchanged right Port - A - Cath projecting over the right chest wall with tip in the low SVC . Bony structures are unremarkable .
    OUTPUT:
    
1 . Interval placement of right pigtail catheter with tip in appropriate position projecting over the right diaphragmatic surface . Significant decrease in right pleural effusion with persistence of small to moderate effusion . No pneumothorax . 2 . Unchanged mild left lower lung atelectasis .