Please assess the completion status of the following clinical trial:

Trial Title: The Molecular Epidemiology of Epidermal Growth Factor Receptor (EGFR) Mutations in Patients With Advanced EGFR Mutation-positive Non-small Cell Lung Cancer Treated With Afatinib

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: COHORT
- Primary Purpose: None
- Time Perspective: RETROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~* \>18 years old~* Patients diagnosed with Non-small cell lung cancer~* metastatic disease~* Afatinib treated in any line~* EGFR mutated~Exclusion Criteria:~-

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Based on this trial design, predict the completion outcome and termination type (if applicable).