Lump on arm same side as lymph node clearance

Hi wonder if anyone can help. Just noticed a swellin on th top of my arm like a hard lump not painfull but had auxillary clearance in that arm. Not sure if cud b start of lymphodimia or just swellin from lifting something as anyone had this rozita xxx

Just bumping this up as no relies but lump is still bothering me and is quite hard feels like muscle but isn’t cos it the arm I don’t use much n not one on the other arm ??
Thanks rozita