Please assess the completion status of the following clinical trial:

Trial Title: FENO, Extended NO Analysis and NO/CO Diffusing Capacity in Thoracic Radiation Therapy

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

Eligibility Criteria:
Inclusion Criteria:~* planned but not already commenced radiation therapy (RT) of the chest, with or without pre-RT surgery.~* signed informed consent of the participant~Exclusion Criteria:~* thoracic RT in the past~* treatment with immune checkpoint inhibitors~* unstable condition affecting participation in the measurements

- 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).