NFKB1 and endometriosis: The transcription factor nuclear factor-kappa B (NF-kB), is activated during inflammatory processes; in women suffering from endometriosis, this factor is activated and, to ascertain the inflammatory state typical of the disease, at the level of endometriostic implants, the expression of the intercellular adhesion molecule (ICAM) -1 was studied in the peritoneal endometriotic lesions according to their type.