F
F G
Figure 3.A-G H&E stain, ×400. Synaptophysin IHC, ×400. Chromogranin IHC, ×400. CK IHC stain, ×400.CD 56 IHC stain, ×400.KI 67 IHC stain, ×400 . CK 7 67 IHC stain, ×400
Since, chemo radiotherapy is recommended for poorly differentiated NECs, the patient was referred to the radiation oncology department.