Understand jgr. It only takes a bad experience with a doc, and after caring for my late wife I had a few, to make you lose that trust. In the end tho we have no choice but to hope they know what they are doing, and many do.
I have had 3 scares with the big c in the last 12 years. Once wad breast lump, second was lymph nodes and more recently ovarian mass. I have to say each time I was seen by a specialist within 2 weeks and scans were done very quickly. Each was a different Gp and they all took it very seriously and acted quickly on first visit. I would like to think this is the norm, at least I would like to hope so.
With some symptoms it seems like you have to push a bit harder. All we can do is be as informed as we can, speak up and not be fobbed off.
Wish you well