TGFBR1 and endometrial cancer: The TGFBR1 and TGFBR2 genes expression levels are strongly dependent on the use in the comparison control group (secretory, proliferative, post-menopausal endometrium or adjacent non-cancerous endometrium vs. endometrial cancer samples obtained from patients’ tissue-matched or patients’ tissue-unmatched studies, as well as different inclusion criteria of patients to the control group) and/or applied experimental methodology [209,211,219,220,221] (Table 1).