Hemangiomas are possible, but I agree that further imaging is needed to be sure. I cannot give odds without seeing the test and reviewing the record.
I concur with the reports that an MRI indeed is the next reasonable step.
This answer is not intended as and does not substitute for medical advice - the information presented is for patient education only. Please see your personal physician for further evaluation of your individual case.
Kevin, M.D.
www.kevinmd.com