Actinic keratosis (AK) (also called solar keratosis or sun spots ) is a common precancerous skin condition caused by excessive exposure to ultraviolet light. Skin cancer â the abnormal growth of skin cells â most often develops on skin exposed to the sun.
1 A rare cause of axillary swelling may be breast cancer or lymphoma. 2  The lymph nodes in the groin (femoral or inguinal lymph nodes) may swell from an injury or infection in the foot, leg, groin, or genitals.3  In rare cases, testicular cancer, lymphoma, or melanoma may cause a lump in this area. A rare cause of axillary swelling may be breast cancer or lymphoma. 2  The lymph nodes in the groin (femoral or inguinal lymph nodes) may swell from an injury or infection in the foot, leg, groin, or genitals.
The most common cause for enlarged or swollen lymph nodes in the groin and other parts of the body is an infection. The groin area is mainly where the abdomen ends and the legs begin. Also called the inguinal area, the groin area includes the upper inner thigh and the front area where the legs are attached to the torso.he groin area is mainly where the abdomen ends and the legs begin. Also called the inguinal area, the groin area includes the upper inner thigh and the front area where the legs are attached to the torso.