Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest is limited by underpenetration which is likely secondary to body habitus . The lungs appear clear , however it is not possible to exclude a consolidation in the lateral inferior costophrenic angles . The cardiomediastinal and hilar contours are unchanged . There is no pneumothorax .
    OUTPUT:
    
The lungs appear clear , however it is not possible to exclude a consolidation in the lateral inferior costophrenic angles .