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. 2015 Jun 7;21(21):6706–6712. doi: 10.3748/wjg.v21.i21.6706

Figure 3.

Figure 3

Spectral reflectance in the range of 400-800 nm obtained using a hyperspectral camera. Two reflectance peaks in the tumor were detected at 635 and 700 nm; this bimodal reflectance is the characteristic reflectance pattern of protoporphyrin IX.