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
Treatment modality carried out for exophytic, radiosensitive, well-oxygenated tumor is: 
Select and explain. 
A. Surgery, B. Radiation therapy, C. Chemotherapy, D. Combined therapy
B: Radiation therapy
Answer: B: Radiation therapy 
Explanation: Radiation

For T1 and T2 lesions.
Exophytic radiosensitive and well oxygenated tumors.
Tumors with small cervical metastasis.