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.
Progression-free survival evaluation in months, in patients without kinetic alteration of CTCs (CTC1+ and CTC2+) and (CTC1− and CTC2−).
Notes: Continuous line: patients with positive CTC maintenance. Dotted line: patients with negative CTC maintenance (P=0.60).
Abbreviation: CTC, circulating tumor cell.
