放ほう射しゃ線せん療りょう法ほう

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Meanings

1

noun

radiation therapy; radiotherapy

medicine

Medical term for treatment using ionizing radiation, commonly used in oncology.

放set free, release, fire

射shoot, shine into, onto

線line, track

療heal, cure

法method, law, rule

化か学がく療りょう法ほう
化学療法 refers to chemotherapy, using drugs to treat cancer, while 放射線療法 uses radiation.
放ほう射しゃ線せん治ち療りょう
放射線治療 is a more general term for radiation treatment, often used interchangeably with 放射線療法 in medical contexts.

Compound of 放射線 (radiation) + 療法 (therapy).