这是英文的检测报告:FINDINGS: The thoracic and lumbar spine appear normal sonographically. The conus terminates normally at L2. The conus and cauda equina layer dependently, without evidence of tethering or thickening of the filum. Elongated anechoic cyst approximately measuring 2.9 mm at the filum, likely represents an incidental filar cyst. There is no intraspinous mass. There is no meningocele. There is no fibrous tract identified. There is an additional circumscribed cyst seen at the inferior end of