4.

RT v CRT SM Peto.
Graphs of Peto estimated cumulative SM rates comparing RT with CRT. Left: all SM; right: censored at relapse or progression of HD. Below each graph the numbers of patients still 'at risk' are displayed.

RT v CRT SM Peto.
Graphs of Peto estimated cumulative SM rates comparing RT with CRT. Left: all SM; right: censored at relapse or progression of HD. Below each graph the numbers of patients still 'at risk' are displayed.