Plotting expression of SULT1C2 relative to smoking status indicated that SULT1C2 expression levels were significantly inversely correlated to duration of smoke exposure, meaning that the more exposure to cigarette smoke the patient had, the lower expression of SULT1C2 in their LUAD tumor (p = 9.09 × 10−6, Figure 1B, Table 2). Here, SULT1C2 is linked to neoplasm.