Figure 1From: Herbal compound "Songyou Yin" reinforced the ability of interferon-alfa to inhibit the enhanced metastatic potential induced by palliative resection of hepatocellular carcinoma in nude mice Difference in tumor invasion and metastasis. (A) The representative pulmonary metastatic nodules (arrows, original magnification, ×400). (B) The difference in lung metastasis (P < 0.05). (C) The penetrated cells (original magnification, ×200) treated by resection mice serum (left) was higher than that of control (right), bar, 50 μm. (D) The difference in invasiveness (P < 0.05). The bars indicate the means ± SD.Back to article page