brasilia brazilian president michel temer minor surgery wednesday narrow urethra operation successful office say second time 77-year-old president surgery urinary tract two months october operate reduce enlarge prostate cause urinary obstruction temer cancel schedule meet wednesday fly paulo test follow surgery city rio-liban hospital november temer undergo angioplasty procedure implant stents three coronary arteries doctor find say big obstruction one arteries wednesday test come crucial moment temer presidency scramble secure vote pass pension overhaul bill help bring brazil huge budget deficit control brazil 's temer undergo urinary tract surgery