TNFSF15 and small cell lung carcinoma: For the TNFSF15 -358 T > C variant, our data showed that CC genotype and CT genotype were associated with a higher risk of SCLC (OR = 2.44, 95%CI = 1.46–4.06; OR = 2.00, 95%CI = 1.26–3.19) as compared to TT genotype.