The study is to provide accurate, reliable information on NSCLC clinical management across MENA (Middle East North Africa) countries in order to detect unmet medical needs of this disease, it is a purely observational study; therefore patients are not assigned to a particular therapeutic strategy beforehand by a protocol. Treatment will be according to current clinical practice.

Inclusion Criteria:

• Confirmed NSCLC diagnosis (e.g. bronchoscope or FNAB), all stages, men and women, attending the responsible department of treating this type of patients for the first time between April 1st 2011 and March 31 2012, for PRO sub-sample: ability to read and write since they will be asked to participate in the PRO part of the study. Selection will not be based on the disease stage of each patient, in order to avoid a selection bias

Exclusion Criteria:

• According to the study design there will not be any exclusion criteria in order to provide a high validity and to obtain the most accurate real daily practice information.

All NSCLC patients attending the responsible department of treating this type of patients (e.g. Oncology Department) for the first time (regardless of whether the patient is diagnosed with locally, advanced or metastatic disease) at the participating sites from the first of April 2011 to the end of September 2011