Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly is noted . There is no focal consolidation , large effusion or pneumothorax . No pulmonary edema or congestion . Mediastinal contour appears within normal limits with atherosclerotic calcification along the aortic knob . Bony structures appear intact .
    OUTPUT:
    
Mild cardiomegaly without edema or pneumonia .