Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly is re- demonstrated . Atherosclerotic calcifications are noted at the aortic knob . Hilar and mediastinal contours are otherwise unchanged . Mild pulmonary vascular congestion is similar to the previous study without overt pulmonary edema . No focal consolidation , pleural effusion or pneumothorax is identified .
    OUTPUT:
    
Unchanged moderate cardiomegaly without overt pulmonary edema .