Which of the following types of colonic polyps is associated with the highest incidence of malignant degeneration?
A.	Tubular adenoma
B.	Tubulovillous adenoma
C.	Villous adenoma
D.	Hamartomatous polyp
Answer:C
Which of the following types of colonic polyps is associated with the highest incidence of malignant degeneration?
A.	Tubular adenoma B.	Tubulovillous adenoma C.	Villous adenoma D.	Hamartomatous polyp