Background Local failure of nasopharyngeal carcinoma (NPC) after radiotherapy (RT) remains one of the major treatment failures.This study aimed to evaluate the
To the Editor:Hypertension and coronary heart disease are commonly seen in the elderly population.The pathophysiology of their development is closely re
Background Several studies have evaluated the association between polymorphisms of thymidylate synthase (TS)and cancer risk in diverse populations but with conf