Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded and clear . There is no pleural abnormality . The hilar and mediastinal contours are normal . Curvilinear density in the left upper quadrant is seen . There is mild scoliosis .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Although no acute fracture or other chest wall lesion is seen , conventional chest radiographs are not sufficient for detection or characterization of most such abnormalities . If the demonstration of trauma to the chest wall is clinically warranted , the location of any referrable focal findings should be clearly marked and imaged with either bone detail radiographs or Chest CT scanning .