Can feel bilateral, small (3-5 mm), moveable supraclavicular lymph nodes in 2 yo boy? has some on neck too. never get sick, except roseola at 9 months

Normal: There are thousands of lymph node located around the body.Many in the neck, head, behind the ear are prominent in kids as they are not buried in tissue . At rest these are often 1/4 inch in diameter and may grow to marble sized when reacting to a stimulus. Bug bites, or viral infections can increase their size to 1 cm or more.Most will shrink down to pre-stimulated size over 3-4 wks.