Please assess the completion status of the following clinical trial:

Trial Title: Evaluating Lung Doppler Signals in Patients With Systemic Sclerosis (SSc)

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: DIAGNOSTIC
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~1. Able and willing to give signed informed consent prior to enrollment~2. Male or female, ≥ 18 years of age~3. Diagnosis of SSc according to 2013 ACR/EULAR SSc Classification Criteria (van den Hoogen 2013): Score ≥ 9.~4. Patients with RHC data available from measurement within 3 weeks prior to TPD assessment~5. No change in or initiation of PAH specific therapy between the last RHC and TPD~Exclusion Criteria:~1. People unable or unwilling to give informed consent.~2. PCWP or LVEDP \> 15 mmHg~3. Any PH etiology outside Group 1 (Dana Point, 2008)~4. Pregnant women~5. Patients having severe chest wall deformity

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

Study Arms:
- Doppler ultrasound (Type: EXPERIMENTAL): None

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