Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are clear and well inflated . No focal consolidation , effusion or pneumothorax is seen . The cardiomediastinal silhouette is normal . The left humeral head fracture is incompletely imaged . No displaced rib fractures are seen .
    OUTPUT:
    
No acute intrathoracic process . Fracture of the left humeral neck partially imaged .