No causal link between Cathepsin and follicular lymphoma, mantel cell lymphoma, and marginal zone lymphoma (ORIVW = 1.004, 95% CI 0.998–1.211, P = .112; ORIVW = 0.989, 95% CI 0.864–1.385, P = .314; ORIVW = 1.215, 95% CI 0.976–1.541, P = .315). The gene discussed is CTSS; the disease is marginal zone lymphoma.