Hi there. My 7 year old got up this morning for school and on the way he said his leg hurt and was dragging his feet and limping slightly, he said he stretched and it started hurting so I dropped him at school and didnt think to much of it. I have just stupidly googled and it said it could be leukaemia. I'm so worried about him, I'm really scared. Is there anything else it could be? Should I be worried?

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Love Louise xxxxxxxxxx