照しょう射しゃ野や

noun

irradiation field; radiation field

Technical term used in radiology and radiotherapy to describe the area exposed to X-rays or other radiation.

• 治ち療りょう計けい画かくでは、照しょう射しゃ野やを正せい確かくに設せっ定ていすることが重じゅう要ようです。

  In treatment planning, it is important to set the irradiation field accurately.