Patent ID: 7709613

Claim:
A method of treating a breast tumor that takes up 188 ReO 4 − or 186 ReO 4 − to reduce the volume of the tumor in a subject which comprises administering to the subject an amount of a Rhenium radioisotope effective to treat the tumor, wherein the amount of the Rhenium radioisotope administered to the subject is a cumulative dose between 0.5-500 mCi, wherein the Rhenium radioisotope is administered as 188 ReO 4 − or 186 ReO 4 − , wherein the 188 ReO 4 − or 186 ReO 4 − is taken up by the tumor, and wherein treatment of the tumor with 188 ReO 4 − or 186 ReO 4 − reduces the volume of the tumor.