The Use of FTIR-ATR Spectrometry for Evaluation of Surgical Resection Margin in Colorectal Cancer: A Pilot Study of 56 Samples

Figure 1

The schematic diagram of specimen of colorectal cancer removed and the samples obtained from four parts (Part A: tumor sample, Part B: intestinal mucosa sample 1 cm away from the tumor, Part C: intestinal mucosa sample 2 cm away from the tumor, and Part D: intestinal mucosa sample 5 cm away from the tumor).