<s>[INST] I have a very large sized lump internally in my skin located in the area of my collar bone, I m worried it s something serious I have been getting dizzy, cold shakes and sweats, also its a little pain when I touch it do you have any suggestions or ideas what it could be of how to treat it? [/INST] Hi, An X-ray of the affected part must be done. FNAC open biopsy may have to be done depending on the x-rays findings. You should be under the care of an ortho doctor and follow his advice. Hope I have answered your query. Let me know if I can assist you further. Regards, Dr. Nirmal Chander Gupta, Orthopaedic Surgeon </s>