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: Surgery
Treatment for stage T3N1 of carcinoma maxilla is - 
Select and explain. 
A. Radiation therapy only, B. Chemotherapy only, C. Surgery and radiation, D. Chemotherapy and radiation
C: Surgery and radiation
Answer: C: Surgery and radiation 
Explanation: Maxillary carcinoma is of two types

Squamous cell carcinoma — (MC. type of carcinoma)
Adenocarcinoma

T/T of maxillary carcinoma 

Squamous cell carcinoma → Combination of Surgery and radiotherapy gives better res is than either alone.
Radiotherapy can be given before or after surgery (The t/t is same in every stage of maxillary carcinoma)
Adenocarcinoma → Radiotherapy is ineffective, so only surgery is done.