Imaging guided biopsy, surgical biopsy or surgical excision for evaluation of the pelvic mass will be performed by a qualified individual. Tissue samples will be sent to the local pathology department for histological examination in accordance with standard institutional practices. Results of the histopathological evaluation will be recorded, including the final diagnosis along with histological sub-type, and if available, stage, of cancer where disease is identified. Where possible, representative fresh frozen tissue samples from the pelvic mass will be obtained for research purposes for evaluation of the same mRNA gene targets used in the cell harvests.