This 100% is not and A&E issue. They will tell you to go to GP. My suspected Melanoma took over a month to be biopsied.
I understand you are worried, but the worry will not change anything and is not helping you at all.
The likelihood is that it will be nothing, and even if it is something the prognosis is actually very positive. People hear cancer and can jump to death, but treatments have progressed so much now.
The growth I had on my back that was benign was a spot that didn't seem to want to heel, and I would occasionally knock the top off and it would bleed. It was much angrier and bigger than your pictures tbh.
No one can tell from pictures if there is a specific diagnosis, but to me it looks very small and I honestly wouldn't be overly concerned at this point.
From cancer research uk nurse on their forum "Squamous cell carcinoma (SCC) is one of the most common types of skin cancer and usually does not spread.
Treatment to remove an SCC isn't regarded as urgent and people often have to wait several months for treatment.
In the meantime, all I can really suggest is that you talk about your concerns with your GP. Hopefully, they will be able to reassure you that SCC's generally takes years to develop in most people. So waiting a few months is unlikely to do any harm."
That is from a cancer nurse...someone way more knowledgeable than you or I.
Also
"Fast-growing SCC is a type of skin cancer that develops over weeks rather than months. Characterized by rapid changes and growths that quickly increase in size. Rapidly progressing tumors are more frequently seen on the head, neck, hands, and lips, or in individuals with weakened immune systems"
It seems from what you have said, this spot isnt rapidly growing over weeks, and is in a place not often associated with rapidly progressing tumors.
As mentioned I have a malignant melanoma diagnosis. Melanoma is significantly more dangerous than SCC. If left untreated for two years, which mine was a minimum of two years, melanoma can spread to vital organs and become life-threatening. While SCC can also spread, its growth is generally slower and highly treatable if caught then. So even with my diagnosis I am not overly concerned with dying. The treatments are hugely successful.
You really are catastrophising, it could be absolutely nothing, but even if it is something I don't think you need to be petrified. I really dont.
Do you suffer from health anxiety?