in cases of bilateral retinoblastoma , both affected eyes were salvaged in 4 % of cases ( one of 24 ) from 1974 through 1978 , in 18 % of cases ( nine of 50 ) from 1979 through 1983 , and in 25 % of cases ( 18 of 71 ) from 1984 through 1988 .
C0854914
bilateral retinoblastoma
C0015392
eyes