Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal view of the chest was obtained . The heart is of top normal size , similar to prior . Cardiomediastinal contours are stable . Left apical nodular opacity is similar to prior . No focal consolidation , pleural effusion , or pneumothorax is visualized . Several metallic clips are seen in the right upper quadrant .
    OUTPUT:
    
No acute cardiopulmonary process . Left apical nodule , similar to prior .