Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient upright position . Poor inspirational effort with high positioned diaphragm conceal portion of cardiac shadow which makes assessment of heart size difficult . On the lateral view in which the inspiration was better , suspicion for cardiomegaly can not be confirmed . There is no configurational abnormality . The thoracic aorta is of ordinary ___ but slightly elongated . No local contour abnormalities are seen . The pulmonary vasculature is not congested . There are no signs of pleural effusions in either lateral or posterior pleural sinuses . No evidence of acute or chronic pulmonary parenchymal infiltrates are present . No pneumothorax exists in the apical area on the frontal view . Considering patient 's history of bilateral lower extremity edema , it is noteworthy that the azygos vein is not distended . Thus , there is no radiographic evidence of right - sided cardiac in - flow impairment . Skeletal structures of the thorax are grossly unremarkable . Our records do not include a previous chest examination available for comparison .
    OUTPUT:
    
No evidence of significant cardiomegaly or pulmonary vascular congestion in this patient with history of bilateral lower extremity edema .