These feelings may not be unfamiliar to everyone: When you have a sore throat, you may feel some large and painful lumps on your neck. After the scratch on the arm is infected, such a lump may also be felt under the armpit. This lump can also be found in the groin (the junction of the thigh and lower abdomen) when the leg wound is infected. This is the manifestation of lymph node’s [struggle] with nearby virus or bacterial infection, which can resist the invasion of infection. The swelling of lymph nodes when the body is infected has typical symptoms of redness, swelling and heat pain. However, most cancers do not have these signs when they occur. It is very Read More …