...ox", style="filled", fillcolor="#d5e8d4")

# PD-L1 niedrig
dot.node("PDlow", "PD-L1 < 1%", shape="diamond", style="filled", fillcolor="#fff2cc")
dot.node("ChemoIOLow", "Chemo + Immuntherapie\n(IO alleine kaum wirksam)", shape="box", style="filled", fillcolor="#d5e8d4")

# Verbindungen
dot.edges([("Start", "Histologie"), ("Histologie", "Molekulare"), ("Molekulare", "Mutation")])
dot.edge("Mutation...