Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is rotated . Compared with ___ , a moderate right - sided pleural effusion is slightly increased in size . There is atelectasis at the right lung base . No pneumothorax is seen . Cardiomegaly is similar to prior . The aorta is tortuous .
    OUTPUT:
    
Interval increase in size of a now moderate right - sided pleural effusion .