Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The hilar and mediastinal contours are within normal limits . There is no pneumothorax , focal consolidation , or pleural effusion . Slight elevation of the left hemidiaphragm appears minimally changed since the earliest available comparison radiograph from ___ . Scattered small calcifications are unchanged , denoting prior granulomatous disease or varicella infection .
    OUTPUT:
    
No acute intrathoracic process .