Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild bibasilar atelectasis . Central pulmonary vasculature appears prominent , without evidence of frank pulmonary edema . The heart remains enlarged . The aorta is tortuous . No pneumothorax , pleural effusion , or consolidation . Small dense opacity overlying the right third posterior rib appears unchanged , and again may represent a bone island or less likely a calcified granuloma .
    OUTPUT:
    
1 . Central pulmonary vasculature appears prominent , without evidence of frank pulmonary edema . 2 . No pneumonia .