These factors,including age,location,stage and surroundings of lesions,differentiation of tumor,immune state of patients and concomitant diseases,may make the radiologic signs indidualization.

• 患者的年龄、病变部位、分化程度、病变局部的环境、机体的免疫力以及有无合并疾病等因素可使疾病的影像学征象出现个体化变异。