we studied the histopathologic , immunohistochemical , and ultrastructural features of the extracellular matrix ( ecm ) in 20 immunologically defined large-cell lymphomas , including immunoblastic sarcoma of b cells ( three patients ) , peripheral t cell lymphoma ( five patients ) , large non-cleaved follicular center cell ( fcc ) lymphoma ( nine patients ) , and non-marking large-cell lymphoma ( three patients ) .
C0079746
immunoblastic sarcoma
C0004561
b cells