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: Pathology
Somatic mutation of PTEN is seen in 
Select and explain. 
A. Retinoblastoma, B. Osteosarcoma, C. Carcinoma breast, D. Endometrial carcinoma
D: Endometrial carcinoma
Answer: D: Endometrial carcinoma 
Explanation: None