Task: Instance Description Understanding (ontology: Sciences/Computer_Science)

Which of the following definitions best describes the instance 'Stage IA1 (FIGO)'?

A. An International Federation of Gynecology and Obstetrics cervical cancer stage value specification indicating cervical carcinoma invades beyond the uterus, but not to the pelvic wall or to the lower third of the vagina without parametrial invasion and clinically visible lesion <4.0 cm in greatest dimension.
B. An International Federation of Gynecology and Obstetrics cervical cancer stage value specification indicating measured stromal invasion of <3.0 mm in depth and extension of <7.0 mm.
C. An International Federation of Gynecology and Obstetrics cervical cancer stage value specification indicating clinically visible lesions limited to the cervix uteri or pre-clinical cancers greater than stage IA
D. An International Federation of Gynecology and Obstetrics cervical cancer stage value specification indicating measured stromal invasion of >3.0 mm and not >5.0 mm with an extension of not >7.0 mm.

Answer: An International Federation of Gynecology and Obstetrics cervical cancer stage value specification indicating measured stromal invasion of <3.0 mm in depth and extension of <7.0 mm.