Direct invasion to the colon by hepatocellular carcinoma: Report of two cases

Figure 1 Computed tomography images showing a 7. 5-cm liver tumor (arrows) arising from the caudate lobe in case 1(A), which appears to invade the transverse colon directly (arrows) (B).

Figure 2 Macroscopic appearance of the surgical specimen in case 1. The liver tumor invades the colon (arrows).

Figure 3 Computed tomography images showing a 6-cm liver tumor invades the colon and diaphragm (arrows) in case 2.

Figure 4 Colonoscopic view showing a hemorrhagic and lobulated tumor with a smooth surface is seen in the ascending colon in case 2.

Figure 5 Macroscopic appearance of the surgical specimen in case 2. The liver tumor invades the colon (arrows).