Abcess after lumpectomy

Hi all
I had a lumpectomy 6th june so about 6 weeks ago , everything went well , scar healed nicely but ive just been in shower and there was a large red lump ?about 2 mm above end of scar , now obviously this scared the life out of me but on closer inspection i think it could be a abcess . Should i be concerned ?

Get it checked out ,probably absolutely nothing to worry about ,very easy to get paranoid after this experience ,maybe ring GP surgery or breast nurses for advice .