In MCL, what is the disease when it studs the GI? What is the IHC profile? How does it appear in peripheral blood? Mutations involved other than t(11;14)?
Lymphomatous polyposis; CD19+, CD20+, CD5+, CD23-, CD43+, BCL-1+(nuclear), FMC-7+, bright sIg+, CD11c-(CLL positive), more often λ-restricted; irregular nuclear contour with small delicate nucleolus; chromosomes 17, 21, and 8