She is healthy, active in sports, and has had no discomfort or problems with her back. There is no family history of scoliosis.
Physical examination confirms a healthy girl in all respects.
She has just had her menarche. Neurologic exam is normal. The back shows a right thoracic curve with a small rib hump. Plumb line drops 1.5 cm to the right. Anteriorly one can notice the rotation of the left ribs.