I notice my left side is bigger than the right for a few months...now i got a pain not severe but its in that area and feel like fluid/inflame but a discomfort down my pelvic and now going to otherside occasionally.my urine be dark and like,heaviness iin scrotum area.in the past i felt like something moving thru urethra and scrotum...sharp pain for a second then it subside.pressure around my kidney now especially left side, now moving to my right side.i had a UTI BEFORE AND IT feel similar....my dad says sound like a stone....no fever or chills no vomiting loss of appetite cause im paranoid from it being sum deadly.cant sleep comfy at night stay tossing and turning.piss starting to change from dark to light....can it be a gall stone or kidney infection....