Los Angeles Girl, 3,Attacked By Cancer.LOS ANGELES, Feb,’. 23, CU.P.)— Three-year-old Margaret Ann Zim-ardo was in White memorial hospital. today .awaiting an', operation for cancer of the kidney, Doctors say she has one chance in ten tosurvive. -‘•Sugarplum? as her parents, Mr.and Mrs. Joseph Zimardo, call thetiny victim of the malignant growthwhich threatens her life, is underobservation and taking x-ray testsbefore the operation. ■