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.
Mexican-American Cesar Chavez (1927-1993) was a prominent union leader and labor organizer. Hardened by his early experience as a migrant worker, Chavez founded the National Farm Workers Association in 1962. His union joined with the Agricultural Workers Organizing Committee in its first strike against grape growers in California, and the two organizations later merged to become the United Farm Workers.
A poster for Cesar Chavez Day, March 31, an official holiday in California and Texas. 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.