What Causes Moving Pinching Pain In And Around Lymph Nodes?

GOOD MORNING SIR, SIR, I HAVE MOVING PINCHING PAIN IN AND AROUND LYMPH NODES. THE PAIN IS MILD AND SHORT LIVED BUT MOVING AND PIERCING TYPE. THE PAIN IS IN THE BACK OF THE EAR AND NECK, STOMACH AND THIGH. I HAVE LOST 5 KGS AND FEELING SOME WEAKNESS. MY BLOOD REPORT IS NORMAL. I HAVE CONSULTED ENT DOCTORS. BUT THEY SAID ALL IS NORMAL. BUT I AM NOT FEELING NORMAL. PLEASE HELP ME. WHETHER I HAVE CANCER OR OTHERWISE. WHICH DOCTOR I SHOULD CONSULT. THANKS