Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperexpanded , which is unchanged from prior exams . Stable apical scarring is present . There is stable left basilar atelectasis . There is no consolidation , pleural effusion , or pneumothorax . The cardiomediastinal silhouette is normal . Abnormal densities in the left humerus most likely an enchondroma or prior medullary infarcts .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Probable left humeral enchondroma or medullary infarction . Dedicated films of the left humerus are recommended if clinically indicated .