Analisis praktik klinik keperawatan kesehatan masyarakat perkotaan pada pasien kanker sigmoid post operasi sigmoidektomi dan histerektomi total di Ruang Rawat Bedah Lantai IV Selatan Gedung RSUP Fatmawati = Analysis of practice at the urban health nursing on sigmoid cancer patients post operation sigmoidectomy and total hysterectomy at Fatmawati Hospital