“…The sample size of the included studies ranged from 9 to 155 subjects. The CBRs were assessed by RECIST criteria in 29 studies [11,13,14,[19][20][21][23][24][25][26][27][28]30,38,42,43,45,49,53,56,59,60], CA125 serum levels in 11 studies [15][16][17]39,40,44,46,48,50,52,63], not reported in 6 studies [12,22,29,41,61,62] and both in 7 studies [18,47,51,54,55,57,58]. Five studies included cohorts with only ER + tumors [16,20,54,56,…”