Please assess the completion status of the following clinical trial:

Trial Title: Pilot Study: Utilizing Manometry to Assess Radiation-Induced Changes in Esophageal Function

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

Eligibility Criteria:
Inclusion Criteria:~* Age ≥ 18 years or older~* Absence of any severe disorders of esophageal motility (patients with reflux and/or a hiatal hernia are eligible)~* Histologically confirmed lung cancer scheduled to undergo conventionally fractionated radiation treatment~* Patients that will be treated with a minimum of 45 Gy of radiation therapy~* Patients with mediastinal nodal disease, or primary lesions that are near the esophagus are eligible provided that they are not having esophageal symptoms believed to be due to the tumor.~Exclusion Criteria:~* History of esophageal motility disorder that pre-dates and is unrelated to the present diagnosis of lung cancer~* History of any prior radiotherapy to the esophagus~* Pregnant or lactating women~* Inability to understand and follow swallowing instructions for the esophageal manometry procedure; this is to ensure patient compliance of performing the breath hold technique throughout the radiation therapy treatment~* Patients with mediastinal nodal disease, or primary lesions, that are having esophageal symptoms believed to be due to the tumor

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 99 Years
- Healthy Volunteers: f

Study Arms:
- Lung cancer patients ≥ 18 years of age (Type: None): Lung cancer patients age ≥ 18 years or older who have:~* Histologically confirmed lung cancer scheduled to undergo conventionally fractionated radiation treatment~* Absence of any severe disorders of esophageal motility (patients with reflux and/or a hiatal hernia are eligible)

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