Fig. 2

Ki-67 staining of NEN from different sites: a a grade 1 NET from the ileum, b a grade 2 NET from the lung (atypical carcinoid), c a grade 3 NET from the pancreas, and d a NEC (SCLC) from the lung
Ki-67 staining of NEN from different sites: a a grade 1 NET from the ileum, b a grade 2 NET from the lung (atypical carcinoid), c a grade 3 NET from the pancreas, and d a NEC (SCLC) from the lung