Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . No pleural effusion , edema , or pneumothorax . The cardiomediastinal silhouette is normal . Levoconvex scoliosis of the upper thoracic spine is mild , similar to the prior exam . No evidence of an acute osseous abnormality .
    OUTPUT:
    
No acute cardiopulmonary process . No pneumonia .