noun
X-ray treatment; roentgen therapy
Medical term for therapeutic use of X-rays, such as in radiation oncology.
がん治療の一環としてレントゲン療法が行われることがある。
X-ray therapy is sometimes performed as part of cancer treatment.
放射線療法 is a broader term for radiation therapy, while レントゲン療法 specifically refers to X-ray treatment.
Compound of レントゲン (Röntgen, from the German physicist Wilhelm Röntgen) and 療法 (therapy).