Could I have been told the wrong gender?

It may just be me but I didn’t know if it was possible to get told the wrong gender? I was told it was a girl at my 19 week scan but to me the “In between the legs” shot looks a little different from others I have seen on here. To me it looks like there may be something there? I asked the ultrasound tech if she was 100% sure and she told me “can’t ever be 100% sure but I looked 3 times” The baby also didn’t stop moving at all throughout the scan. I’d love to hear what anyone thinks!