The location of metastasis showed 7 cases in lung, 1 case in liver, 2 cases in bone, 1 case in upper palate,1 case in ipsilateral adrenal gland, 1 case in brain.

• 转移部位:肺7例,肝1例,骨2例,上腭1例,同侧肾上腺1例,脑1例。