目的：评价胸壁切线野照射ct模拟定位的价值。
Objective: To appraise the value of tangential chest wall irradiation with ct simulation.
建议停用耳前野加全颈切线野的照射方式。
Thus, suggest abandoning the irradiation of pre-auricular portal plus whole neck tangential portal.
先用面颈联合野和颈前切线野照射，然后缩野改为耳前小野和颈部垂直野照射。
They were treated first with face neck joint portal and anterior neck portal, then treated with shrinkaged face portal and neck portal to curative or prophylactic doses.
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