All experiments including MS analysis were supported by Fundacao para a Ciencia e Tecnologia project EXPL/DTP-PIC/0616/2013. RM is supported by FCT investigator program 2012 (IF/01002/2012). ASC is supported by grant SFRH/BPD/85569/2012 funded by Fundacao para a Ciencia e Tecnologia.; Lung cancer configures as one of the deadliest types of cancer. The future implementation of early screening methods such as exh...