PV-0103: Can we safely reduce the radiation dose to the heart in esophageal cancer patients?. (April 2018) - Beukema, J.C.; Kawaguchi, Y.; Langendijk, J.A.; Luijk, P.V.; Sijtsema, N.M.; Schaaf, A.V.D.; Teshima, T.; Muijs, C.T.