Answer:
Internal radiation therapy, also known as brachytherapy, accurately describes a cancer treatment technique that involves the insertion of radioactive material directly into or near the tumor. During internal radiation therapy, high-energy radiation is delivered directly to the tumor, while sparing surrounding healthy tissue. The radioactive material used can either be temporary or permanent, and its placement is carefully guided by imaging techniques like ultrasound or MRI. Internal radiation therapy is an effective treatment method for various types of cancer, including prostate, breast, and gynecological cancers.
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