SULT1E1 and neoplasm: The mRNA expression levels of SULT1A1 (Fig. 6(a)), SULT1A3 (Fig. 6(b)), SULT1E1 (Fig. 6(d)), and SULT2A1 (Fig. 6(e)) decreased or drastically decreased in 90% of the tumor samples in comparison with the matched pericarcinomatous samples.