Welcome Chloe to OCF, listen to the hoardes of actual cancer patients telling you to be calm, it's the best advise out there. I'm a stage 4 oral cancer survivor (celebrating over a year now) and I'm waiting for a biopsy to come back myself. I discovered a lump on my gum line fairly distant from the spot of my primary tumor so I had my biopsy with my ENT today and will have a PET scan on monday (it's been 5 months since my last so I'm due for that anyway).
The waiting can be very hard but until the doc tells you it's cancer, don't worry about it...because it's not cancer until they say it is. Stress and worry only weakens your immune system and promotes bad health. Take things one step at a time and deal with them as they come...it can get way to overwhelming if you don't