Several cellular genes such as TP53 [10,11], PIK3CA [12], c-Myc (Myc) and ErbB2 [13], cIAP1 [14], Ras [15], PTEN [16] and LKB1 [17] have been found mutated or functional inactivated in variable proportions of cervical cancers. Here, PIK3CA is linked to cervical cancer.