TP53 and ovarian carcinoma: However, results of the many studies on the prognostic value of p53 expression in ovarian cancer are inconclusive (Marks et al, 1991; Hartmann et al, 1994; Van Der Zee et al, 1995; Allan et al, 1996; Anttila et al, 1999; Ferrandina et al, 1999; Reles et al, 2001; Nakayama et al, 2003; Nielsen et al, 2004).