The medical field is also concerned because higher incidence among increasingly young people is indicative of more malignant tumors, more invasive cancer cells, and more pessimistic prognoses.
又因為罹患癌症的年紀越輕，通常代表腫瘤惡性度較高、癌細胞侵襲性較強，預後也較差，更讓醫界擔憂。