I've had a varicocele which was corrected by surgery 4 years ago, so I can answer some of your questions about that. But the other things you're asking I'm not really sure about (lymph nodes, CT scan readings, etc.)
As far as the varicocele, it can cause pain around the testicle and groin area. Mine did, and it was like a dull aching pain. Not major, but annoying. The pain would come and go almost randomly, although it would seem to be worse during the hot weather months and the testicles were hanging low. Basically the pain is from the swollen veins with too much blood in them.
Unfortunately, I don't know of any medications or herbs that specialize in releving the discomfort of a varicocele. The only recommended non-surgical treatment for varicocele discomfort is to wear an athletic supporter (jock strap). The extra support helps keep the testicle from hanging too low and takes some of the weight off the spermatic cord and veins. It does help with some of the discomfort. At least wear briefs if you're not already. Boxers are a no-no with a varicocele.
Other than that, surgery is the other option to correct the varicocele. I've had it and it was successful. I wrote a lengthy post on this thread about it recently, in response to some other questions from people who have varicoceles too. So take a look there or do a search on the forum for it for more info.
Hope this helps.
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