BTG3 and diffuse large B-cell lymphoma: ANA positivity was associated with a higher risk of DLBCL among ever-smokers (OR: 2.52, 95% CI: 1.38–4.62, p = 0.003) compared to never-smokers (OR: 1.20, 95% CI: 0.57–2.53), but the interaction was not significant (pinteraction = 0.12).