Beydon et al., french registry study 255000+ RA patients 2010-2020 Increase ⬆️ overall malignancy by 20% vs. general pop ⬆️lung 40%, ENT 40%, cervix 80%, prostate 8%, melanoma 37% Pancreatic cancer 10% less frequent in ♂ Breast 9% & Uterine body 23% less frequent in ♀