Which of the following markers is specific for gastro intestinal stromal /tumors (GIST)?

Pathology

Which of the following markers is specific for gastro intestinal stromal /tumors (GIST)?

Most common type of Non-Hodgkin's lymphoma in the orbit:

All the following markers are expressed on the surface of T-cells at…

Which of the following statement is not true about glomerular basement membrane?