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: Radiology
Late Complication of radiotherapy 
Select and explain. 
A. Nausea, B. Thrombocytopenia, C. Mucositis, D. Erythema
C: Mucositis
Answer: C: Mucositis 
Explanation: Mucositis (Inflammation of mucosa) is a late complication.