IGF2 and hepatocellular carcinoma: Let-7a and miR-34a Interplay Potent Suppressive Roles in Hepatocellular Carcinoma via Co-Targeting &lt;i&gt;FNDC3B&lt;/i&gt;, &lt;i&gt;IGF2&lt;/i&gt; and &lt;i&gt;SOX4&lt;/i&gt;.