Hi Trandall,
As a fellow HA sufferer I can imagine how you are feeling and sorry to hear it. I hate the whole process of going for tests and waiting for results. It's exhausting.
I hope and expect this is just a recall due to poor imaging as CLKD suggests. However if it doesn't turn out to be that, the positive is that its been picked up early and the medics are on the case and can do something to treat it.
Wishing you well and hope all goes ok on 19th X