Gov. Deval Patrick says he believes the state will win an appeal of a judge's ruling ordering the state to provide sex-reassignment surgery for a convicted murderer.

In remarks to reporters Thursday, Patrick said he believes the state has ``a very strong argument'' against the surgery sought by Michelle Kosilek.

U.S. District Judge Mark Wolf ruled that the surgery is the only adequate treatment for Kosilek's gender-identity disorder, a condition Wolf said is a ``serious medical need.''

The Department of Correction said Wednesday the medical care Kosilek is receiving is adequate and that the judge's ruling ``improperly discredits'' legitimate security concerns.

Kosilek has received female hormone treatments and lives as a woman in an all-male prison.

Kosilek, now 63, was named Robert when convicted of wife Cheryl Kosilek's 1990 murder. (Associated Press)

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