Fig. 1.

Fluorescence patterns of liver cancers on cut surfaces (left) and their gross appearance (right) (from [21]). a Total fluorescence type (well-differentiated HCC, 7 mm in diameter). b Partial fluorescence type (moderately differentiated HCC, 35 mm in diameter). c Rim fluorescence type (poorly differentiated HCC, 30 mm in diameter). d Rim fluorescence type (metastasis of colorectal cancer, 25 mm in diameter).