Doctors.net have a homepage for oncologists in the library section. There is an Oncology forum where oncologists and other doctors discuss cases and oncology in general. There is also a Doctors.net iphone App available via iTunes. AD the webmaster for this ACP site is an advisor to Doctors.net and compiles the monthly JournalWatch which is sent to members with an interest in oncology identified in their profile.
This rapidly expanding site was originally set up as an open access cancer journal by Professor Gordon McVie and Professor Umberto Veronesi. However it now includes video, podcasts, news, and other resources. It was founded by the European Institute of Oncology based in Italy, and supported by the European Cancer Organisation (ECCO). It is now published by ecancer Global Foundation, a charity based in the UK.
Set up in 1982 it's aim is to contribute to the reduction of deaths from cancer due to late diagnosis and/or inadequate treatment. They organise meeting all over Europe and run online educational grandrounds weekly.