The calculation above is essentially redundant, because a human-sized ant wouldnât be able to travel at 50 miles an hour, in fact it wouldnât be able to run at all; its legs would crumble under the weight of its own body.
Research the causes of these related symptoms that are similar to, or related to, the symptom Mass or tumor in the armpit: 1  Underarm symptoms (43 causes) 2  Underarm swelling. 3  Swollen lymph nodes (452 causes)  Swollen underarm lymph 1  nodes. Sebaceous cyst.  Infection (1293 1  causes) Breast cancer (3 causes)  Hodgkins lymphoma.
First, because of the number of lymph nodes in the area, itching can be the result of a lymph node problem. Secondly, when your arm is at your side, your armpit is closed. The area is therefore constantly warm at times and damp as well, making it a breeding ground for bacteria and fungi.