This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
Type IIIB Endometrial cancer (FIGO) is 
Select and explain. 
A. Endometrial cancer invading cervical stroma, B. Endometrial cancer with vaginal involvment, C. Endometrial cancer involving uterine adnexa, D. Endometrial cancer invading Pelvic lymph nodes
B: Endometrial cancer with vaginal involvment
Answer: B: Endometrial cancer with vaginal involvment 
Explanation: None