I am 28 year male single, I started going gym lifting heavy since 2 months I also do abs workout and I have increased my diet with fruits, veggies and meat I am also taking one scoop of whey, 1becadexamine multivitamin and seacod oil 1 softgel daily, but since a month I am feeling small pimple like lump on my back near kidney area on left side and also same little lump in front left side just below lungs end. It is not visible to eyes on skin but can feel when stretch that area and touch. It also pains when pressed on those spots, can this be due to abs workout I might have performed wrongly or can be any medical condition? Do I need to take any test because almost a month now and it has not gone.