Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly appears increased in size from the previous study . There is upper zone vascular redistribution without overt edema suggesting elevated venous pressures . The aorta appears minimally tortuous as seen previously . No focal consolidation , pleural or pneumothorax is present . There are no acute osseous abnormalities detected in the thoracic spine .
    OUTPUT:
    
Mild cardiomegaly appears increased slightly from the previous examination with mild pulmonary vascular congestion without frank pulmonary edema .