Fig. 1.

The 5-year disease-specific survival rates for patients who had no treatment, radiation therapy (RT), surgery, and adjuvant RT were 42.5, 46.1, 85.6, and 72.6%, respectively (p < 0.001).

The 5-year disease-specific survival rates for patients who had no treatment, radiation therapy (RT), surgery, and adjuvant RT were 42.5, 46.1, 85.6, and 72.6%, respectively (p < 0.001).