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: Medicine
A man presents with mass at duoenojejunal flexor invading renal papilae. Histopathology reports it as lymphoma: true statement is - 
Select and explain. 
A. II E stage, B. III E stage, C. IV E stage, D. Staging cannot be done until bone marrow examinatiion is performed
C: IV E stage
Answer: C: IV E stage 
Explanation: None