when I was doing an antigen test recently ,the nasal swab would barely go into my left nostril and I could feel obvious resistance. Not just uncomfortable, pain as in it literally wouldn’t have gone in as far as the other nostril. It felt like a physical obstruction. It never happened before, as I’ve obviously had previous Covid tests. AIBU to worry about this and think it’s something serious? I’m terrified of any type of growth or mass