Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The trachea is central . The cardiomediastinal contour is normal . The heart is not enlarged . No consolidation , pneumothorax or pleural effusion seen . There is an apparent 7 mm nodule in the right lung base . Degenerative changes in the thoracic spine .
    OUTPUT:
    
Apparent 7 mm nodule in the right lung base . Recommend CT chest to better evaluate .