Identification of Lesional Tissues and Nonlesional Tissues in Early Gastric Cancer Endoscopic Submucosal Dissection Specimens Using a Fiber Optic Raman System

Figure 7

The ROC curves of (a) the integral energy ratio in the noncontinuous frequency band, (b) the integral energy ratio in the continuous frequency band, and (c) the peak intensity ratio of I1560 cm^-1/I1103 cm^-1.

(a)

(b)

(c)