I have spotted a typo and am sorry about that.
Shotty lymph nodes must be non-tender, moveable. If they seem fixed or irregularly shaped - it is usually a cause of concern.
You had this lump for quite a long time. You did not develop any symptoms, such as fatigue, night sweats, extreme itching or cough. Am I right?
You also mentioned that the lump is much smaller now (approx. 1cm) and is hardly noticeable.
It seems as if you were fighting off some kind of infection in the past and thus developed a swollen lymph node which did not return to its original size. Such lymph nodes are known as "shotty" ones. Keep in mind that "shotty" lymph nodes are considered abnormal unless they are bigger than 1cm. They also must be non-tender, moveable, fixed or irregularly shaped.
It is great that you have been referred to ENT because he or she will be able to evaluate your case properly.
Do not worry and keep in mind that lumps smaller than 2cm are rarely cancerous, especially in those younger than 50.
Please keep us updated!
Best of luck,
E.B.