Liquid release from lump. Surgeries.

I had lump little upside my underarms and puss(liquid discharge) was releasing through it then i visited a doc nearby and he did surgery, taken out tissue & clean everything. Close to 20 days things were good & then again that wound opened & very small amount of puss released. Then i visited some other doc at vadodara. He checked and said proper cleaning didn't happen and stitches may gets open coz skin is thin and he did the surgery again, took stitches. Then 15-20 days later again same thing happened & a drop or puss released.i raised my concern to doc, he said let's do sonography. We did and they found a spot. Then after they tried pumping out puss through injection but didn't work.Doc again did the surgery, took stitches. Now after 30 days of surgery again that wound got open because puss was coming from beneath the skin. Please help. I am tired of going through surgeries.