Prognostic factors and therapeutic effects of different treatment modalities for colorectal cancer liver metastases

Figure 1 Survival curves of patients. A: Different differentiation degrees of the primary tumor; B: Colorectal liver metastases ≤ 4 and> 4; C: Colorectal liver metastases with a maximum metastasis diameter of ≤ 5 cm and > 5 cm. CLM: Colorectal liver metastases.

Figure 2 Survival curves for different treatments. CLM: Colorectal liver metastases.

Figure 3 Survival curves of colorectal liver metastases near or not near great vessels.

Figure 4 Surgical resection of colorectal liver metastases. The arrow indicates metastases.

Figure 5 Intraoperative ultrasound positioning.

Figure 6 Intraoperative ultrasound localization. Blue arrow represents colorectal liver metastases, and white arrow represents electrosurgical markers after ultrasound localization.

Figure 7 Radiofrequency ablation. Arrows indicate necrosis of colorectal liver metastases.