Hello,i Have A Lump On My Armpit And It Is

Hello,i have a lump on my armpit and it is really soar,it all started last year in early 2015,I feel something like a small pimple on my armpit and I squeezed it I don't know what that was..at first it didn't hurt until to four to fifth day I told my mom what was that..she was worried, she said it might be a sign of cancer,a lot of my relatives said it might be an effect of deodorant I am using, then I squeezed I and day by day its getting big..it gets really soar..and red,my mom said I have to pop it and I try to pop but it didn't work..after a week my mom told my dad to see it,so when my dad sees it it started to pop..like a pus coming out of it and it smells gross,I get this several times in 2015 then this year i got one too..as I look my armpit I saw two small holes..like really small..I already popped it with a lime,a powdery lime I added with water..my mom asked me to do that and it works..but then today I look my armpit that it looks really gross..like my armpit skin is really looking bad,and my armpit skin was like ripped..as i touch my armpit i can feel like a big lump inside my armpit so I told my mom..then she said she'll bring me to the hospital tomorrow..so what are the signs though? I need to know..I'm a girl btw