Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs are provided . Hazy opacity at the right base is unchanged from the prior radiographs and is most likely atelectasis . There is no definite focal consolidation , pleural effusion , or pneumothorax . The cardiomediastinal silhouette is unchanged and notable for mild cardiomegaly and a tortuous dilated aorta . The hemidiaphragms are flattened with hyperexpansion consistent with known history of COPD . There are no acute fractures and wedge deformities of multiple thoracic vertebral bodies are unchanged . Embolization coils in the right upper quadrant and abdominal aortic stent graft are noted .
    OUTPUT:
    
1 . Hazy opacity at the right base is unchanged and is likely atelectasis . 2 . Findings consistent with COPD .