Figure 3

Distribution and oncogenic activity of PIK3CA mutations. (a) Distribution of the mutations identified in cases without (dark gray) and with MEG/HMEG (light gray). (b) Oncogenic activity of the identified PIK3CA mutations in cases without (left pane) and with MEG/HMEG (right pane). Oncogenic activity, from weak to strong effect, is illustrated by a gray scale. Mutations with unknown effects are shown in light gray.