This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and breast, Subject name: Surgery
Regarding anaplastic carcinoma which statement is false 
Select and explain. 
A. Common in elderly, B. Associated with P53 mutation, C. Surrounding neck tissue is usually infiltrated, D. Radiotherapy cures
D: Radiotherapy cures
Answer: D: Radiotherapy cures 
Explanation: More commonly seen in elderly women. Local infiltration is an early feature of these tumours with spread by lymphatics and by the bloodstream. They are extremely lethal tumours and survival is calculated in months. p53 mutations are found in 15% of tumors, Source : Sabiston 20th edition Pg: 910