Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomegaly is moderate . Redistribution to the upper lobes of the pulmonary vasculature is seen , bilaterally . Surgical clips and brachytherapy seeds are noted in the thyroid bed . Calcification of the aortic arch is noted . There is no pneumothorax .
    OUTPUT:
    
Moderate cardiomegaly and redistribution is suggestive of mildly elevated left atrial pressure , however there is no frank pulmonary edema .