... Possible causes of vaginal bleeding: common neoplasms—endometrial cancer, cervical cancer, vaginal cancer, tubal or ovarian cancer, bladder cancer, colon cancer, cancer metastatic to genital tract, and benign neoplasms, eg, fibroids, polyps;...
http://www.audio-digest.org/pages/htmlos/00207.1.8243724050721415858/OB5324