Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest were provided . The lungs are clear without focal consolidation , effusion , or pneumothorax . The cardiomediastinal silhouette is normal . Bony structures are intact . A calcific density projects over the right upper quadrant .
    OUTPUT:
    
No acute intrathoracic process . Presumed gallstone noted in the right upper quadrant .