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Base of tongue implant imaging and dosimetry. A 63-year-old woman treated adjuvantly for a second squamous cell carcinoma (SCC), T2 NO, located on the base of tongue, resected with pathological margins. These areas received 50 Gy, 5 years before another SCC, treated by surgery and adjuvant EBRT. BT was delivered with 8 PDR vectors. Red isodose correspond to 55 Gy, green isodose to 30 Gy, and blue isodose to 20 Gy
