<s>[INST] My 2 yr old has a large lump where his adam s apple would be is this normal? He also has been vomiting on almost a daily bases since he was born. I have taken him to the doctor many times and they have not been able to find what is causing him to vomit. Could the lump and the vomiting have something to do with one another? [/INST] Hi, dairy have gone through your question. I can understand your concern. His lump may be due to some congenital malformation, thyroid lesion or cyst.  He should go for ultrasound study.  It will give you exact diagnosis. Then you should take treatment accordingly.  Mostly lump has no relation with vomiting.  Consult your doctor and take treatment accordingly. Hope I have answered your question, if you have doubt then I will be happy to answer. Thanks for using Chat Doctor. Wish you a very good health. </s>