“Certainly, if you started having an ache or pain in the flank area, kind of back here, that can be an early sign of a kidney stone. Blood in the urine—those can be signs of kidney stones as ...

A ruptured abdominal aortic aneurysm can occasionally cause skin ecchymosis but this would be more likely in the flank area (Grey-Turner sign) than in the anterior abdomen.

On day 5 of her treatment, the patient complains of "tenderness" over her right flank area and slight shortness of breath. An oxygen saturation study is done and it is found to be 89% on room air.