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.
HALO radiofrequency ablation protocol for ablation of Squamous high grade dysplasia and carcinoma in situ. Endoscopic mucosal resection (EMR) was carried out at any stage for new visible lesions. RFA: Radiofrequency ablation; HGD: High grade dysplasia; CIS: Carcinoma in situ; CR: Complete reversal.
