Though CHU Angondje Cancerologie might be what brings you to town, perhaps you'll have a chance to explore more of Libreville while you are here.
Explore the waterfront in Libreville with a trip to Port Mole. Amble around the area's forest or visit its temples.
Palais Presidentiel is just one of the places to see in Libreville, so why not enjoy the other things to explore during your travels? Amble around the area's marina or visit its temples.