<human>: I have a weird lump on my collar bone that moves around when pushed. It can be moved almost completely around but cannot outside and cannot go under the collar bone. It is hard but can be manipulated like a flexed muscle. Its about two centimeters accross. What is this and should I be concerned.
<bot>: Hi! After going through your description I could summarize the supraclavicular lump measures 2x2 cm, hard, mobile but restricted and duration or any symptoms not mentioned! Well, this is fairly common to get a nodule in this area and as per my experience from fine needle aspiration biopsy, the possibilities are as follows:1. An enlarged lymph node due to infection in maxilla, lungs, throat or viral infection, tuberculosis or cancer in rare cases!2. Benign skin tumor like conditions like lipoma, neurofibroma, dermatofibroma of some cysts!Therefore, it could be a reason of concern, and you have to see a physician for an examination and needle biopsy for confirmation if necessary to decide if any treatment is needed!regards, your