Another related concept is that neoadjuvant therapy acts on micrometastatic disease. The downstaging is then a surrogate marker of efficacy on undetected dissemination, resulting in improved longtime survival compared to the surgery-alone strategy.
Cesar Chavez In 1968, Cesar Chavez led a boycott that resulted in a collective bargaining agreement guaranteeing field workers the right to unionize. Learn more about how Chavez grew from migrant farm worker to civil rights champion in this video.
Chicano activist Cesar Chavez was one of Americaâs best known labor leaders. Born in Arizona in 1927, Chavez was one of six children. His family moved in California during the Great Depression, and everyone worked as farm workers, traveling from farm to farm throughout California, cultivating and harvesting crops.orn in Arizona in 1927, Chavez was one of six children. His family moved in California during the Great Depression, and everyone worked as farm workers, traveling from farm to farm throughout California, cultivating and harvesting crops.