BUDAPEST, Hungary — The Budapest Zoo says a 32-year-old female gorilla has undergone gynecological surgery, the first such operation in Hungary and rare even worldwide.
Spokesman Zoltan Hanga says veterinarians and doctors carried out the procedure late Thursday night based on the diagnosis that Liesel, who came to Budapest in 1989 from Germany's Frankfurt Zoo, may have a malignant tumor on her right ovary.
Hanga says no tumors were found during the procedure, which required Liesel to be fully sedated for three hours. She will be kept under observation and apart from the rest of gorillas at the zoo for about a week.
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More exams will be needed to determine why the mother of three — Dango, Gorka and Ebobo — has not given birth since 2000.