Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is top normal . The aorta is tortuous . Calcifications within the right hilum likely reflect prior granulomatous disease . The pulmonary vascularity is not engorged . Tiny calcified granuloma is demonstrated within the right mid lung field . There is minimal linear atelectasis in the left lung base . No focal consolidation , pleural effusion or pneumothorax is present . Mild degenerative changes are noted in the thoracic spine .
    OUTPUT:
    
Linear atelectasis in the left lung base . Evidence of prior granulomatous disease . No acute cardiopulmonary abnormality otherwise identified .