Fig. 1From: Results following surgical resection of recurrent chordoma of the spine: experience in a single institutionMeasurement method, maximum length in axial image (a) on anterior-posterior (AP) dimension; L, in coronal dimension; W, and in sagittal reconstruction image (b); H, as illustrated in white arrow. The proximal vertebral level is defined as the upper most vertebrae at the end of the tumor mass (dot line in b)Back to article page