"Hoorah! Great doctors, great results, feeling happy and ready to rock after surgery. Hey cancer, 'F**k you!' Here's my first post-op photo," she wrote.
The 57-year-old actor, however, did not disclose when she underwent the surgery.
Louis-Dreyfus received her cancer diagnosis a day after her Emmy win for the Best Actress for her role as Selina Meyer in the HBO show.
The actor became the first artiste to score nine SAG Awards win creating history, as she bagged the trophy for Outstanding Performance by a Female Actor in a Comedy Series, but skipped the ceremony due to her medical condition.
According to Fox News, she is currently scheduled to begin filming the seventh and final season of "Veep" in August.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)