It looks superficial and surrounded by redness....indicates Reactive-lymphadinitis (reaction to some mild infection in nearby area like your hair )...
Not cancerous.
Take anti-inflammatory x5days.
Will get subsided....or will become soft(turn into abscess)
Next Steps
if it shrinks to 50% in 5days....continue anti-inflammatory x5days.
if does not reduce to 50%or more, then get FNAC done.
if turn soft, get incision & drainage.