fig2

Figure 2. The hypopharyngeal cancer stage distribution was as follows: 1 (2.5%) was stage I, 2 (5%) were stage II, 8 (20%) were stage III, 23 (57.5%) were stage IVa, and 6 (15%) were stage IVb. The mean survival time was 43 ± 16 months for stage III, 50 ± 9 months for stage IVa, 12 ± 3 months for stage IVb.