if this is cystic fluid there is no conection in what is called the fascia layers from there to the testes. the fact that its now tender though is more concerning. from the pec to below the umbilicus is not someting ive seen but would be possible in that the whole space is connected by a sheath covering the muscles called the fascia. i would see your dr in the am due to the tenderness more than anything else. the antiinflammatory tonight and rest until seen is still the best thing.
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