There are many reasons why the body is prone to nodules, which may be related to an individual’s body type, genetic related, diet related, or related to a disruption in the balance of oncogenes and oncogenes in the body, or may be related to obesity. Common benign nodules, including lipomas or nodular goiter. Lipomas are usually the result of abnormal fatty growths and patients who are obese are particularly prone to develop lipomas. Nodular goiter, which may be associated with inadequate iodine intake or excessive iodine intake. Malignant tumors, including thyroid cancer and breast cancer, may be mainly caused by excessive proliferation of tumor cells or disruption of the balance of oncogenes and oncogenes in the body.