1. You need to differentiate this swelling between a lymph
node and a swollen or enlarged submandibular salivary gland
, which may explain the absence of a sore throat
2. Put a finger inside your mouth next to your tongue. Put another finger of your other hand on the skin of the swelling in the neck from the outside. If you can bounce this swelling between your fingers (medically referred to as 'ballotable'), then it is most likely a submandibular gland
. If not, it is a lymph node.
3. Post your observation to continue....