"In addition to identifying the point at which a tumor has arisen, the PET scan can also detect whether a lymphoma has spread to the surrounding tissue and whether a cancer has metastasized," says Tzen, who supports the use of PET scans as a diagnostic tool.
「除了確認癌症的原發部位，正子掃描還可偵測病變周圍的淋巴結是否已遭到侵犯，以及癌細胞是否已經轉移。」曾凱元對正子掃描的診斷持正面、肯定的看法。