Figure 1
From: Incorporating medical interventions into carrier probability estimation for genetic counseling
Example Family Tree. Family tree with breast (Br) and peritoneal (Pe) cancer history, and oophorectomy (Oo). The arrow points to the consultand. Circles are females, squares are males. Slash means the relative died, dark shape means the relative developed cancer, light shape and no slash means the relative is alive with no cancer, and the age of those outcomes is below each member.