RT Journal Article SR Electronic T1 Primary Ewing's sarcoma presenting as a Pancoast tumour JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 89 OP 90 DO 10.1136/thx.2010.140004 VO 66 IS 1 A1 Lowie Vanfleteren A1 Rogier van Stiphout A1 Robert G Riedl A1 Rob Jansen A1 Dirk De Ruysscher A1 Anne-Marie C Dingemans YR 2011 UL http://thorax.bmj.com/content/66/1/89.abstract AB