The 48-year-old model gave a health update to her Instagram followers on Saturday, almost a month after she revealed her diagnosis with the disease.
"I wanted to share an update on my cancer journey," she wrote.
"Over the past four weeks, I've been recovering from surgery, and I'm grateful to be healing and moving forward.
"Soon, I'll be starting the second stage of my treatment.
"Sending love, strength, and hope to everyone fighting this battle."
Vanessa - who has five children with her 48-year-old ex-husband Donald Trump Jr, and is in a relationship with 50-year-old golfing legend Tiger Woods - revealed her breast cancer diagnosis on May 20.
"I am staying focused and hopeful while surrounded by the love and support of my family, my kids, and those closest to me," she wrote on Instagram.
Vanessa - who is mother to daughters Kai, 19, and Chloe, 11, and sons Donald III, 17, Tristan, 14, and 13-year-old Spencer - ended her message with an appeal for privacy.
"Thank you for your kindness and support it truly means more than I can express. I kindly ask for privacy as I focus on my health and recovery."
Vanessa and Donald Jr - 79-year-old US President Donald Trump's eldest child, whom he had with his late ex-wife, Ivana Trump - got married in 2005, and they separated in 2018.
She filed for divorce in March 2018 and it was finalised at the end of that year.
Vanessa and Tiger Woods went Instagram official in March 2025 after more than a year of dating.
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