Physical examination examination thyroid left lobe nodule, no swollen lymph, excuse me what reason c

Left lobe thyroid nodules are mainly caused by infection and non-infection factors, of which infection is mainly caused by viral infection. If there is no enlarged lymph node, it is considered to be caused by non-infectious factors. You can be admitted to hospital for further examination. If the nodule is small, you can not treat it first, and you can be admitted for regular reexamination.