69 有關克隆氏病(Crohn’s disease)與潰瘍性結腸炎(Ulcerative colitis)的敘述何者為非?
(A) Crohn’s disease為mucosa及submucosa的病變
(B) Crohn’s disease比Ulcerative colitis較常有perianal disease
(C) Crohn’s disease比Ulcerative colitis較不常bleeding
(D) Crohn’s disease及Ulcerative colitis皆有惡性變化的可能
(E) Crohn’s disease比Ulcerative colitis較常引起腸子的stricture