PT - JOURNAL ARTICLE ED - , TI - Rare lung cancers AID - 10.1183/20734735.ELF114 DP - 2015 Dec 01 TA - Breathe PG - 323--330 VI - 11 IP - 4 4099 - http://breathe.ersjournals.com/content/11/4/323.short 4100 - http://breathe.ersjournals.com/content/11/4/323.full SO - Breathe2015 Dec 01; 11