Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen is a right upper chest pacer device with associated dual leads in unchanged , appropriate position . The cardiomediastinal silhouette is stable , compatible with mild cardiomegaly . Aortic arch calcifications are again seen . The bilateral hila are within normal limits . Linear opacities at the right lung base may represent basilar atelectasis , similar to prior exam . Otherwise , there is no evidence of focal lung consolidation . There is no pulmonary vascular congestion . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
No acute cardiopulmonary process . No evidence of pulmonary vascular congestion or edema .