Tzen says that PET scans are 90-95 % accurate in diagnosing lung cancer, colon cancer, lymphoma, melanoma, esophageal cancer, head and neck cancer, breast cancer, thyroid cancer, and cervical cancer.
曾凱元指出，針對肺癌、大腸癌、淋巴瘤、黑色素瘤、食道癌、頭頸癌、乳癌、甲狀腺癌，以及子宮頸癌，正子掃描的診斷正確性約在 90 % ~ 95 % 之譜。