Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouettes are stable , within normal limits . The bilateral hila are unremarkable . Mild elevation of the left hemidiaphragm is noted . The lungs are clear . There is no evidence of pulmonary vascular congestion . There is no pneumothorax or pleural effusion . There is no acute displaced rib fracture identified .
    OUTPUT:
    
No acute cardiopulmonary process . Mildly elevated left hemidiaphragm with adjacent linear left basilar scar or atelectasis .