I HAVE A BOXER WHICH WILL BE 8 IN MARCH, I RECENTLY TOOK HIM TO THE VET BECAUSE HE HAS CIST LIKE LUMPS ON HIS SIDES AND BUTT HE HAS ABOUT 4 TOTAL THE VET WHICH IS A FAMILY FRINED SAID AT FIRST TO LET THEM BE AND THEN CHANGED HIS MIND AND SAID THEY SHOULD BE REMOVED SOME OTHER PEOPLE SAID THAT THEY SHOULD LET BE.. WHAT ARE THEY AND SHOULD WE HAVE THEM REMOVED??