My last dog, a cocker spaniel had several lipomas--a few got really big--on her chest and in her abdomen. We moved around a lot for awhile--so we got several vets opinions obviously. Finally one said that they were getting quite large and likely pushing on organs. She was about 12 or 13 years old then--but quite healthy otherwise. She survived the surgery and lived to be 16 1/2, but, the vet said she wished she wouldn't have done the surgery--it was hard on her. She had to have drains for a few days and it was quite an ordeal. I wish I'd known of natural treatments--but haven't heard of any for people either--many of us are prone to them. Keep posting any suggestions! Good luck!