But when the lump began taking over the entire right side of his body, doctors in his home country of Mexico had to perform a tricky operation to remove it.
The tumor, which stretched from the toddler's armpit to his hip, weighed a whopping 33lb - more than 26lb Jesus himself.
Doctors at La Raza hospital, where the operation took place, say the 10-hour procedure went well and the tot is expected to make a full recovery.
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This x-ray ain't big enough for the both of us...