Stressed out trying to decide if I should commit to long international travel or not

During an insurance medical checkup, an ultrasound showed I have 3 kidney stones (report attached). The urologist said no treatment is needed, and when I asked about international travel, they said it’s fine but I later realised I didn’t mention that I’m planning to be away for 6 months.

Now I’m pretty stressed about traveling. What if a stone gets stuck in my ureter while I’m on a hike or something?

For context: I had surgery in 2012 for an 11mm stone in my left kidney (found after flank pain), and also had a pyeloplasty done. Since then, I’ve had no major issues,just one UTI in 2016 that was treated with medication. No pain since, and honestly I don’t even know if I’ve had any recurrences.

Still no symptoms right now, but reading stories here has me anxious and it feels like a ticking time bomb.

What would you do in my situation? Is it still reasonable to go ahead with long international travel?

Here is my report:

# ULTRASOUND KUB (KIDNEYS, URETERS & URINARY BLADDER) WITH SCREENING OF ABDOMEN:

**Right kidney:** 98 × 44 mm **Left kidney:** 121 × 56 mm

Cortical thickness on right side – 13 mm Cortical thickness on left side – 12 mm

Both kidneys are normal in size, position and in outline. Cortical thickness appears normal on both sides. Cortical echogenicity appear normal. No cortical scarring is seen. Corticomedullary differentiation of both kidneys maintained.

Minimal to mild hydronephrosis is seen on right side up to level of the PUJ (pelviureteric junction); no evidence of hydroureter or ureteric calculus at present scan. AP dimension of right renal pelvis measures 14 mm.

Post-pyeloplasty status involving left kidney; mild hydronephrosis is seen on left side up to level of the PUJ (pelviureteric junction); no evidence of hydroureter or ureteric calculus at present scan. AP dimension of right renal pelvis measures 30 mm.

Two calculi of size 4 & 4.5 mm are seen in mid and lower calyces of right kidney respectively.

A calculus of size 5 mm is seen in mid calyx of left kidney.

**URINARY BLADDER:** Appears normal. No calculus or mass seen.

**PROSTATE:** normal in size and normal in echo pattern.

Liver, gall bladder, spleen, pancreas and small and large bowel loops appear unremarkable.