Hardell L, Carlberg M. Int J Oncol. 2019 Jan;54(1):111-127. doi: 10.3892/ijo.2018.4606. Epub 2018 Oct 24. The main aim of this study was to compare earlier human epidemiological studies with US National Toxicology Program (NTP) findings, including a short review of animal studies. The authors conclude that there is clear evidence that RF radiation is a human carcinogen, causing glioma and vestibular schwannoma (acoustic neuroma). There is some evidence of an increased risk of developing thyroid cancer, and clear evidence that RF radiation is a multi‑site carcinogen. Based on the Preamble to the IARC Monographs, RF radiation should be classified as carcinogenic to humans, Group 1. Abstract