Research Article

Systemic Therapy of Neuroendocrine Neoplasia: Single Center Experience from a Cohort of 110 Consecutive Cases

Figure 3

Kaplan–Meier analysis of overall survival depending on proliferation indices of primary tumors, Ki67 <2% (n = 28; blue), Ki67 3–5% (n = 16; green), Ki67 6–20% (n = 24; yellow), Ki67 21–49% (n = 10; pink), and Ki67 >50% (n = 14; red).