The purpose of the study is to document real-world pattern of care, outcomes and health resource use for participants diagnosed with and receiving treatment for advanced Non-small cell lung cancer (NSCLC) and extensive disease Small cell lung cancer (SCLC) in China.

Inclusion Criteria:

• Histologically confirmed advanced NSCLC (IIIB/IV) and extensive disease SCLC with pathology/cytology record between 1-Dec-2013 and 30-Nov-2014
• Received inpatient treatment more than twice (inclusive) at a selected site. For hospitals with outpatient records, patients receiving oral TKI therapy and routinely (more than twice a year) followed up outpatient will be included although no inpatient records. For hospitals with outpatient chemotherapy center, patients will be include if they were prescribed with chemotherapy and routinely (more than twice a year, inclusive) followed up outpatient in the hospital
• 18 years of age or older at initial diagnosis of IIIB/IV NSCLC and extensive disease SCLC

Exclusion Criteria:

• Patients who have participated in or are attending clinical trials receiving active LC therapy
• Unknown initial diagnosis time and initial treatment time.
• For hospitals without outpatient chemo therapy center, patients who were prescribed with chemo therapy but with no inpatient records will be excluded
• Patients who received inpatient therapy for one time and were not routinely (more than twice a year, inclusive) followed up outpatient will be excluded

Other protocol defined inclusion/exclusion criteria could apply

Patients diagnosed with and receiving treatment for advanced NSCLC and extensive disease SCLC in China.