<s>[INST] hi i have a lump on the back left hand side of my neck in line with the bottom of my ear and half way between my spine and ear. It is hard and does not move. I have had it with about 2 weeks now and is showing no signs of going. I used have 2 smaller spots with years which i got checked out but they were not an issue. [/INST] Hi! Thanks for sharing your health problem with us! The location you described is basically posterior cervical / neck region and hard mobile lump in this area could be a reason for concerns as experienced by needle biopsy studies by me and these are as follows:1. Enlarged lymph node due to chronic infection in surrounding areas like scalp, ear, throat or parotid2. Tuberculosis3. Benign skin tumor / cysts like lipoma, neurofibroma, dermatofibroma or inclusion cyst4. Lymphoma or cancer Therefore, you need to see a physician and needle biopsy for confirmation. Regards, </s>