Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable AP upright radiograph demonstrates near complete opacification of the right hemi thorax thought secondary to a moderate to large right pleural effusion with fluid tracking within the interlobar fissures . There is leftward shift of the mediastinum . The right hilus appears enlarged . THe left lung is grossly clear . No acute osseous abnormality is detected .
    OUTPUT:
    
Moderate to large right pleural effusion with resultant leftward shift of mediastinal structures . Enlarged right hilus . Recommend re-evaluation with repeat chest radiograph after drainage of the pleural effusion .