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.
Back to Top Symptoms. Acanthosis nigricans usually appears slowly and doesn't cause any symptoms other than skin changes. Eventually, dark, velvety skin with very visible markings and creases appears in the armpits, groin and neck folds, and over the joints of the fingers and toes.