Abstract Submission for BTOC-11 will close on Friday 09 December 2011 To consult the abstract topic categories, view the Advance Programme and discover the many reasons for joining us in Munich, click here. With your support we aim to populate the Symposium with the very best discussions on immunotherapy, monoclonal antibodies and tumour immunology as well as the challenges of combination therapy and signal transduction inhibitors. World class experts will give their views in these areas. To ensure maximum exposure all accepted abstracts will be published in an international journal. Symposium Secretariat: Tel.: +32 2 775 02 01, Fax: +32 2 775 02 00, Email: BTOC-11@ecco-org.eu.