Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is little interval change from the prior study . A moderate - to - large right pleural effusion appears unchanged . There is continued right basilar and perihilar opacification representing a combination of patient 's known malignancy and collapse of the right middle and lower lobes . Pulmonary vascularity is not engorged . The cardiac , mediastinal and left hilar contours are unchanged . Left lung is grossly clear . There is no pneumothorax . Right - sided rib deformities are unchanged .
    OUTPUT:
    
Little interval change from prior with continued moderate - to - large right pleural effusion and right basilar opacification representing the patient 's known malignancy and right middle and lower lobe collapse .