This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
Linitus plastic 
Select and explain. 
A. Borrmann class I, B. Borrmann class II, C. Borrmann class III, D. Borrmann class IV
D: Borrmann class IV
Answer: D: Borrmann class IV 
Explanation: Borrmann 1-single polypoidal carcinoma, Borrmann 2- ulcerated carcinoma with clear-cut margin, Borrmann 3-ulcerated carcinoma without clear-cut margin, Borrmann 4- diffuse carcinoma - linitis plastica. Reference ,SRB edition : 5 page:847