Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen is a left chest cardiac device with associated dual leads in unchanged grossly appropriate location overlying the right ventricle and right atrium , respectively . The cardiomediastinal silhouettes are stable , reflecting mild cardiomegaly . The bilateral hila are unremarkable . There are low lung volumes . Opacities at the lung bases most likely reflects dependent atelectasis . There is no focal lung consolidation . There is no evidence of pulmonary vascular congestion or pulmonary edema . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
Low lung volumes and basilar atelectasis . No focal lung consolidation . Stable mild cardiomegaly .