SLC6A2 and neoplasm: The norepinephrine transporter expression was higher in the patients with gastric carcinoma in those aged < 60 years (p = 0.0115) and in those with localization of the tumor in the gastric body or pyloric area (p = 0.0033), with tumor invasion T3–4 (p = 0.0093), with lymph node metastasis N≥2 (p = 0.0371), and with TNM classification of malignant tumors (TNM) stages TIII–IV (p = 0.003) (Figure 5a and Supplementary Table S2).