Mass. Gen. Laws ch. 215, § 9

A person aggrieved by an order, judgment, decree or denial of a probate court made after this chapter takes effect, may, within thirty days after the entry thereof, appeal therefrom to the appeals court or, subject to the provisions of section ten of chapter two hundred and eleven A, to the full court of the supreme judicial court. Said courts shall have like powers and authority with respect thereto as upon an appeal in any civil action.