How many days per week is external beam radiotherapy typically delivered in curative schedules?

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Multiple Choice

How many days per week is external beam radiotherapy typically delivered in curative schedules?

Explanation:
In curative radiotherapy, breaks between daily doses are used to maximize tumor kill while letting normal tissues repair. This is typically delivered five days a week, usually Monday through Friday, with weekends off. The standard fraction size is about 1.8–2 Gy per day, and the total course spans several weeks (often around 6 weeks, totaling roughly 60–70 Gy). Weekend rests help limit toxicity and support normal tissue recovery, while extending the course if needed or altering frequency can affect both tumor control and side effects. So five days per week is the conventional pattern for curative schedules.

In curative radiotherapy, breaks between daily doses are used to maximize tumor kill while letting normal tissues repair. This is typically delivered five days a week, usually Monday through Friday, with weekends off. The standard fraction size is about 1.8–2 Gy per day, and the total course spans several weeks (often around 6 weeks, totaling roughly 60–70 Gy). Weekend rests help limit toxicity and support normal tissue recovery, while extending the course if needed or altering frequency can affect both tumor control and side effects. So five days per week is the conventional pattern for curative schedules.

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