Hi Jayne, it looks as if your doctor cannot be sure until there's more info. There's not much point in worrying about it for the time being and making yourself all anxious. If it is really a concerning case, the doctors would have ordered further tests right away instead of waiting. I have learned from my husband's treatment to take it a day at a time, otherwise I would have lived in a constant state of great anxiety and that would help no one. Of course, you can always be proactive and contact your doctor if you see changes before the three months are up.