Jennifer Lopez feared her daughter Emme was seriously ill after discovering a lump on the child's head when she was just three weeks old.
The singer-and-actress - who raises 15-month-old twins Max and Emme with her husband Marc Anthony -says she was terrified after making the discovery.
"We both got very nervous, very, very nervous, and I just remember my heart sinking to my feet. I looked at Marc and I said,
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