Man born with one giant arm leaves doctors puzzled

A young man born with one huge arm has left doctors puzzled with the deformity and the rare condition is said to be similar to proteus syndrome, which causes disproportionate overgrowth of limbs, multiple hamartomas, and vascular malformations. Aftab Malik's right arm is not in proportion with the rest of his body and weighs a staggering 9kg.