求翻译：近年来的研究表明口腔癌的发生率总体上呈下降趋势，但口咽癌的发生率却有显著地增长，而且越来越多的证据表明人类乳头状病毒(human papilloma virus， HPV)在口咽癌（oropharyngeal carcinoma）的发生中起重要作用，本文要阐述HPV在口咽癌的发生、发展、预后等方面所起的作用。是什么意思？

Recent studies show that the downward trend in the incidence of oral cancer in general, but oropharyngeal cancer occurrence rate of significant growth, and more and more evidence that human papilloma virus (human human papilloma virus hpv) in the mouth play an important role in the incidence of phar

In recent years, studies show that oral cancer incidence on the whole has been on the decline, it Ports The nasopharyngeal cancer incidence rates have significantly increased, but more and more evidence shows that human nipple virus (human papilloma virus, HPV) in the mouth throat cancer (oropharyng

The recent years research indicated the oral cancer the formation rate assumes the drop tendency as a whole, but the mouth swallows the cancer the formation rate to have actually obviously grows, moreover more and more many evidence indicated the human papillate virus (human papilloma virus, HPV) in

In recent years of research indicates that oral cancer of occurs rate General Shang is fell trend, but mouth pharyngeal cancer of occurs rate is has significantly to growth, and increasingly more of evidence indicates that human nipple shaped virus (human papilloma virus,HPV) in mouth pharyngeal can

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