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1·The most frequent sites involved were rib(19.2%) and lumbar and sacral vertebrae(17.5%).

累及肋骨的转移瘤最多见（19．2％），其次为腰骶椎（17．5％）；

2·Radiographic examination included Cobb Angle, rotation Angle of apical vertebrae, and translation of the C7 vertebra from the center sacral line on the coronal plane.

线检查包括Cobb角，椎体顶点的旋转角和C7椎体在冠状面从骶正中线的平移。