sarcoids
... that sarcoids are non-fatal tumors but are a common reason for euthanasia in horses?
... that <b id="mwCQs"><a href="./Skin_cancer_in_horses" id="mwCQw" rel="mw:WikiLink" title="Skin cancer in horses">sarcoids</a></b> are non-fatal tumors but are a common reason for <a href="./Animal_euthanasia" id="mwCQ0" rel="mw:WikiLink" title="Animal euthanasia">euthanasia</a> in horses?