The problem is that, if I'm this doc, and I get your CT scan today and you've got a two centimeter mass in your liver, and you come back to me in three months and it's three centimeters, did that drug help you or not?
問題は私が医師でCTスキャンを行い 患者の肝臓に２cmの腫瘍が確認されるとします ３ヵ月後の検診でその腫瘤は3cmになっていた 果たして薬は効果があったのか？