He says that the scans are undeniably the most expensive and best cancer detection tools we have, but points out that they have a sensitivity of only about 50 % for the early-stage liver and digestive-tract cancers that are most common among Taiwanese.
他說，不可否認正子掃描是當今最貴、最好的癌症檢查工具之一，但對於國人更常見的肝癌及消化道早期腫瘤（早期胃癌、大腸癌等），檢驗的敏感度約僅 5 成左右，仍有不足。