Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi supine chest radiograph ___ at 15 :53 is submitted for interpretation .
    OUTPUT:
    
Endotracheal tube continues to have its tip 4 cm above the carina . The right internal jugular central line is unchanged in position . Interval removal of the right basilar pleural pigtail catheter . No pneumothorax , although the sensitivity to detect pneumothorax is diminished given semi-supine technique . There is a residual stable basilar loculated pleural effusion and persistent airspace opacity at the right base which may reflect atelectasis , although superimposed infection can not be excluded . Although lung volumes remain low , the left lung is grossly clear . There is crowding of the pulmonary vasculature but no overt pulmonary edema is evident .