Table 1. Tumor characteristics and results of fluorescence and PA imaging.
| Tumors | Age(y)/Sex | ICG R15 (%) | Interval between ICG injection and surgery (d) | CH/LC | Cancer cell differentiation | Tumor diameter (mm) | Fluorescence patterns | PA patterns |
| HCC 1 | 76/F | 19.6 | 40 | Yes | Well | 24 | Cancerous | Cancerous |
| HCC 2 | 85/M | 1.8 | 2 | No | Moderate | 97 | Cancerous | Cancerous |
| HCC 3 | 69/M | 9.8 | 29 | Yes | Moderate | 27 | Cancerous | Cancerous |
| HCC 4 | 80/M | 20.7 | 10 | No | Moderate | 36 | Cancerous | Cancerous |
| HCC 5 | 73/F | 7.4 | 14 | No | Moderate | 23 | Rim | Rim |
| ICC 1 | 70/F | 8.6 | 8 | No | Moderate | 59 | Rim | Rim |
| CRLM 1 | 54/M | 9.4 | 27 | No | tub2 | 15 | Rim | Rim |
| CRLM 2 | 54/M | 9.4 | 27 | No | tub2 | 16 | Rim | Rim |
| CRLM 3 | 84/M | 8.5 | 38 | No | tub1 | 20 | Rim | Rim |
| CRLM 4 | 53/M | 1.9 | 24 | No | tub2 | 17 | Rim | Rim |
Abbreviations: PA imaging, photoacoustic imaging; ICG R15, preoperative indocyanine green retention rate at 15 minutes; CH/LC, presence of chronic hepatitis or liver cirrhosis; HCC, hepatocellular carcinoma; ICC, intrahepatic cholangiocarcinoma; CRLM, colorectal liver metastasis.