Yang Pan-chih, internist in thoracic medicine at National Taiwan University Hospital (NTUH), points out the abnormally high incidence of adenocarcinomas of the lung in Taiwan, Hong Kong, Singapore, and mainland China's southeastern coastal regions. That type of cancer accounts for 70 % of all lung cancer in Taiwan, as compared with only 35 % in the US and Europe, leading to speculation about genetic influences.
參與國科會研究計畫的台大醫院內科部胸腔科醫師楊泮池指出，台灣、香港、新加坡和大陸東南沿海等地，肺腺癌發生率異常高，一般歐美國家肺腺癌佔肺癌的 35％，台灣則高達 70％，因而被懷疑與基因關係密切。