It would be classified as stage 1
in stage one, growth is limited to the ovaries
In stage II, growth involves one or both ovaries and involvement of other organs.
In stage III, cancer involves one or both ovaries, and one or both of the following: (1) cancer has spread beyond the pelvis to the lining of the abdomen, and (2) cancer has spread to lymph nodes.
In stage IV, growth involves one or both ovaries with distant metastases to lungs, liver, or other organs outside the peritoneal cavity