Despitechemotherapy treatment, Hunter continued to compete professionally but won only one match last season and fell from fifth to 34th in the rankings.
In a result eagerly awaited by Wall Street, drug developer Seattle Genetics announced that its experimental cancer medicine shrank tumors in 75% of patients with Hodgkin lymphoma that had relapsed despite rounds of chemotherapy and bone marrow transplants.
The two-year-old was first diagnosed with the rare form of leukaemia at 10 months old and despite four courses of chemotherapy struggled to overcome the illness.
The market for Erbitux will likewise initially be limited to colon cancer patients whose disease has progressed despite treatment with the standard chemotherapy drug Camptosar, sold by Pfizer (nyse: PFE - news - people ).
Despite being told there was a 5% chance that chemotherapy would affect a tumor in the trachea, the tumor has become softer since treatment and has moved away from the thyroid gland, which makes it easier to remove surgically.