The unusual appearance of a lump or lymph node under the armpit is very common. Most of the time, these are benign tumors, but in many cases they are a potential sign of dangerous diseases.

Most subcutaneous lipomas are benign and do not significantly affect the patient's health. However, when they appear in the abdomen, are large in size or in areas with many nerves such as the head, neck, shoulders and nape, they can cause the patient extreme pain.