Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP semi-upright view of the chest was reviewed . Compared to the most recent prior study , the volume of the left lung has improved and it is now clear . Increased opacity in the right lower lung that tracks along the lateral pleural surface represents a small to moderate right pleural effusion that has been increasing compared to the studies performed after the right sided thoracentesis . There is no pulmonary edema or pneumothorax . Normal heart size and a tortuous calcified arota are unchanged .
    OUTPUT:
    
1 . Increase small - to - moderate right pleural effusion . 2 . No evidence of pulmonary edema .