The term synchronous is used in oncology to refer to two (or more) independent primary malignancies, when the second (or third, etc.) malignancy arose within six months of the diagnosis of the first malignancy 1,2. These may be in the same, or in different, organs.
- 1. William Alexander Newman Dorland. Dorland's Illustrated Medical Dictionary. (2018) ISBN: 9781416023647
- 2. De Luca A, Frusone F, Vergine M, Cocchiara R, La Torre G, Ballesio L, Monti M, Amabile MI. Breast Cancer and Multiple Primary Malignant Tumors: Case Report and Review of the Literature. (2019) In vivo (Athens, Greece). 33 (4): 1313-1324. doi:10.21873/invivo.11605 - Pubmed
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