No significant degenerative change. Ill-defined linear density is seen between the transverse processes of the third and fourth left vertebral bodies on the frontal radiograph, measuring 3.4 cm in length. This is not seen on the lateral radiograph, and is of uncertain etiology. This may be external to the patient. The lung bases abdominal contents are otherwise normal.Impression:NO ACUTE OSSEOUS ABNORMALITY IDENTIFIED.ILL-DEFINED LINEAR 3.4 CM DENSITY, AS DESCRIBED, OVERLYING THE CENTRAL LEFT ABDOMEN. THIS MAY BE EXTERNAL TO THE PATIENT. CLINICAL CORRELATION RECOMMENDED.