61.   His supporters fear the cancer may have returned.

62.   His wife, Cheryl, has visited her husband several times in Moscow and said she fears the cancer has returned.

63.   In addition, when breast cancer returns and spreads, tamoxifen is the top treatment to stall tumor growth and buy women some time.

64.   In January, the singer went to the Mayo Clinic in Rochester, Minnesota for tests and was told that the cancer had not returned.

65.   In January, the singer went to the Mayo Clinic in Rochester, Minnesota, for tests and was told that the cancer had not returned.

66.   More ominously, she saw signs his cancer might have returned.

67.   So far, the cancer has not returned.

68.   Stefanie Spielman, the wife of retired Buffalo Bills linebacker Chris Spielman who led a public fight against breast cancer, said her cancer has returned.

69.   They said he needed four more months of treatment, or else the cancer would return.