You can view and download these images on The Cancer Imaging Archive by logging in to TCIA and selecting the TCGA-OV collection. A full listing of the available imaging studies/series for each patient can be found in this spreadsheet:TCGA-OV.XLSX
Number of Patients
Number of Studies
Number of Series
Number of Images
The TCGA data portal has extensive clinical and genomic data which can be matched to the patient identifiers of the images here in TCIA. Here is a sample.
Verbose explanations of the clinical data can be found on the Biospecimen Core Resource Clinical Data Forms linked below: