Figure 1.
Flowchart of our retrospective study design. Every tumor was given a score according to the extent of stained cells nucleic staining of P16INK4A expression (0% = 0, 1–10% = 1, 11–50% = 2, 51–80% = 3, 81–100% = 4). Abbreviations: Gr: grade.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.