After recovering from cancer in 1986 , Zeldis was too weak to lift the masonite boards she regularly used .
After recovering from cancer in 1986 , Zeldis instead painted on corrugated cardboard found in the street .
After recovering from cancer in 1986 , Zeldis was too weak to lift the masonite boards she regularly used , and instead painted on corrugated cardboard found in the street .