Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild leftward deviation of the trachea raises question of possible enlarged right thyroid . The lungs are fully expanded and clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable . No pleural abnormalities . Unchanged fracture deformity of the posterior right fifth rib .
    OUTPUT:
    
No evidence of pneumonia . Mild tracheal deviation to the left raises question of possible enlarged right thyroid .