Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and two lateral radiographs of the chest were obtained . The exam is limited by low lung volumes and suboptimal x-ray penetration . Despite these limitations , there is increased pulmonary vascular congestion and indistinctness of the hila . Right lower lobe atelectasis is similar . Dual - lead pacemaker leads are in stable position of the chest . The aortic arch is calcified . Severe cardiomegaly is similar . No effusion or pneumothorax is present .
    OUTPUT:
    
Moderate pulmonary edema .