"Models of self-improvement" is an annual runway performed by women who has suffered breast-cancer. Launched by Saray Association as an idea to show how those women dealt with current issues in society. The symbol of cancer was used as a metaphor, following those women steps, but somehow stoping at a point.
For more info, you can check the section "Origin of the word cancer" https://www.cancer.org/cancer/cancer-basics/history-of-cancer/what-is-cancer.html