Case Report
Copyright ©2011 Baishideng Publishing Group Co.
World J Gastroenterol. Mar 14, 2011; 17(10): 1379-1382
Published online Mar 14, 2011. doi: 10.3748/wjg.v17.i10.1379
Figure 1
Figure 1 Gastroscopy before photodynamic therapy. A: Gastroscopy showed a flat and reddish lesion in the mid-esophagus (a biopsy showed squamous cell carcinoma); B: Gastroscopy showed an unstained lesion after spraying Lugol solution in the mid-esophagus.