L3MBTL3 and breast cancer: However, L3MBTL3 expression was downregulated in breast cancer (BRCA), cervical cancer (CESC), kidney chromophobe (KICH), Pheochromocytoma and Paraganglioma (PCPG), thyroid cancer (THCA), and uterine corpus endometrial carcinoma (UCEC) (Figure 1A).