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Rutherfordium is a chemical element with symbol Rf and atomic number 104, named in honor of physicist Ernest Rutherford.
Radiofrequency Ablation (RFA) is an FDA-approved endoscopic technique in which diseased tissue is exposed to heat energy and destroyed. Specialists at the Massachusetts General Hospital Barrettâs Esophagus Treatment Center offer RFA to treat Barrett's esophagus. RFA was first used to treat Barrettâs esophagus in 2005.