Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The aorta is markedly tortuous but unchanged . Hilar contours are similar . There is mild pulmonary vascular congestion without overt pulmonary edema . More focal ill - defined hazy opacity overlying the right mid lung field could reflect an area of infection as well . No pleural effusion or pneumothorax is present . No acute osseous abnormality is detected .
    OUTPUT:
    
Mild pulmonary vascular congestion . Ill - defined hazy opacity in the right mid lung field could reflect an area of developing infection .