Corniest Doctor joke I’ve ever heard but it still got a chuckle out of me.

I heard this a while back while on dialysis and the doctor was impressed that I knew what a nephrologist was so he told me this gem:

“What’s the difference between a kidney doctor and a nephrologist?”

“What?”

“A kidney doctor works on kidneys, a nephrologist works on kidneys but...

A mom takes her son to the doctor one day.

The mom says, "my child's knee hurts." The doctor says, "okay you should take him to the nephrologist then."

The mom looks confused and is about to ask why, when the doctor says, "... it's a kid-nee problem."

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