AlookatGreatOrmondStreetHospital'soncologydepartment,followingdoctorsastheyfacechallengingethicaldecisionsabouttreatingchildrenwithsomeoftherarestandmostcomplexcancersinthecountry.Doctorsmustdecidehowtoactinthebestinterestoftheirpatientswhilsthandlingrelationshipswiththechildren'sfamilies