Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates bibasilar atelectasis , right greater than left . Indistinctness of the hila and baso -apical blood flow redistribution is consistent with mild pulmonary edema . The heart is mildly enlarged . Calcification of the aortic knob . No pneumothorax , consolidation , or pleural effusion .
    OUTPUT:
    
1 . Mild pulmonary edema . 2 . Mild cardiomegaly .