you only ate a slice so I'm guessing you wont.
and try not to think about it. my mum ate some bread...and realised the rest had mould on it and was fine. but then she did it one other time (fool) and thought about it so much she made herself ill.
I'm sure you'll be fine...I've done that too.
xxx.
<font color=MAGENTA><font face=\"Verdana, Arial, Helvetica, sans-serif\"><font size=\"1\">Courage doesn’t always roar sometimes it’s the little voice at the end of the night saying, ‘I will try again tomorrow’</font></font></font>