A 26-year-old female who is 9.5 weeks pregnant by dates presents with right flank pain and vomiting.  She denies fever, chills, hematuria, vaginal bleeding.  Other than being pregnant, her PMH is unremarkable.  On examination she appears mildly dehydrated but her vitals are stable. You are concerned that this patient has a kidney stone.  You perform a bedside ultrasound and note the following...

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