NCIt definition : A FIGO stage term that applies to gynecologic cancers. For cervical cancer, it refers
to cancer that invades the mucosa of bladder or rectum, and/or extends beyond the
true pelvis (FIGO stage IVA), or to cancer with distant metastases (FIGO stage IVB);
for endometrial cancer, it refers to cancer that invades the bladder mucosa and/or
the bowel mucosa (FIGO stage IVA), or to cancer with distant metastases (FIGO stage
IVB).;