Bump on shaft that got smaller after a week

hey guys, i have a doctors appt within the next week, but i figured id get your opinions first. i had received oral sex from my lady and the next day i noticed a red bump pimple like thing on my shaft. everyday since then it has decreased in size but i am still a little worried about it. i am 30 years old and sexually active. I will post pics of the progression of it.

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i know its minor but i am still worried because i can slightly see it still. it has me looking at it every couple min and making me have anxiety if someone has seen this before and could help please

I think any medical professional would say ‘you have nothing to be concerned about’ - the more diligent ones may ask you about the nature of your sexual activity so that YOU can understand the actual level of risk that you currently have …

thank you so much for your comment. today is the day i see the doctor also so thank you a million times for putting me at ease a little more.

Update after seeing the doctor would be helpful …

Any update on this dude?