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 Vanfleteren, Lowie A1 van Stiphout, Rogier A1 Riedl, Robert G A1 Jansen, Rob A1 De Ruysscher, Dirk A1 Dingemans, Anne-Marie C YR 2011 UL http://thorax.bmj.com/content/66/1/89.abstract AB