Conversation: The conversation between human and AI assistant.
[|Human|] I have had a very hard, fixed lump on the side of my neck for about 4 years.  It is located a little over an inch behind the lower part of my ear.  It is easily felt below the surface and if I have my ringers on it and then tilt my head back, I can no longer feel it like its connected to something.  A couple of years ago i went to a doctor about it. They ran bloodwork whicChatDoctore back normal other than a vitamin d deficiency.  She couldnt tell me what it was but said to come back in if it ever gets larger, which I am not sure if it has. I told her about the occasional discomfort i get in the area, a slight pain that seems to radiate out. She simply told me to take ibuprophen for the pain.  I just keep wondering about it and wish someone could tell what it could be and atleast calm my nerves about the possibility of malignancy.  Please help.
[|AI|]  Hi. Hard fixed lump-needs investigations like Contrast enhanced CT scan, guided FNAC to confirm what it is. This is utmost important to alleviate fears you have. Proper diagnosis only can lead to proper treatment. You already have this for 4 years indicates to me that it is not a cancer. So do not worry at the moment and go ahead with investigations I suggested as soon as possible. Please give us the feedback of the findings.