Hey everyone, awesome inputs by you all and I wouldn't disagree less with @endopediatria as she is a specialist with kids. I am particularly interested in Case 3 which has its presentation in the mouth. My Diagonsis will Common cold (because common things occur commonly) which should be treated but then, an incsional biopsy should be done for the swelling to rule out carcinoma. Ddx will be Tonsillitis, Ranula