Huge lump in my groin - it’s about the size of a cherry tomato . Squishy; with a head on it but won’t burst despite trying . It’s sort of between the fatty bit and my leg iyswim . It isn’t sore in the slightest - just huge, but I’m feeling a bit fluey, headache, dizzy, shivery, tired . No fever (checked) . Do these things always need a GP? I’m dithering over trying to pop it with a needle ...