Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are trace bilateral pleural effusions , improved from ___ . There is no focal opacity , pulmonary edema or pneumothorax seen . The cardiac and mediastinal contours are normal . Radiopaque density in the right upper quadrant is likely secondary to prior chemoembolization .
    OUTPUT:
    
No acute cardiopulmonary process .