What is a lump in the crease of my left arm?
Patient: I had tyroid cancer and spread to lymph nodes in my neck. It has been a year. I feel a lump in the crease of my left arm.if a sleep on it or bend my arm for period of time i feel pressure and it gets numb. I never had a whole body cat scan. Could It be cancer? Or and enlarge, hardened lymph node from the radioactive radiation? Doctor: Hi. The location you described - the crease of arm has no nodes at all in a normal anatomy position. This may be something else , may be related to the joint or the bone. A simple x-ray may be helpful as is the opinion of an Orthopedic Surgeon.