Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is worsening of the right lung base opacity when compared to the prior CXR performed earlier this morning . There is likely still underlying pleural effusion with new right lower lobe collapse . The left lung is essentially clear . No pneumothorax . The endotracheal tube and enteric tube are unchanged in position . Stable moderate cardiomegaly . No acute osseous abnormalities .
    OUTPUT:
    
Worsening right lung base opacity likely due to right lower lobe collapse and underlying pleural effusion .