| Purpose (diagnosis/evaluation) | Grade I recommendations | Grade II recommendations | Grade III recommendations |
|---|---|---|---|
| Qualitative | Gastroscopy + biopsy (Evidence 1A) | Cytological examination (Evidence 2A)a | |
| Location | Gastroscopy (Evidence 1A) Abdominal enhanced CT scan (Evidence 1A) |
Abdominal MRI (Evidence 2A) | X-ray barium double contrast radiography (Evidence 2B) |
| Staging | Abdominal and pelvic enhanced CT scanb (Evidence 1B) Chest CTc (Evidence 1B) EUSd (Evidence 1A) |
Abdominal MRIe (Evidence 2A) PET/CT (Evidence 2A) Diagnostic laparoscopy and examination of intraperitoneal washingsf (Evidence 1B) |
|
| Treatment efficacy | Abdominal and pelvic enhanced CT scang (Evidence 1A) | Gastroscopy (Evidence 2A) PET/CT (Evidence 1B) Abdominal MRI (Evidence 2A) |
Functional imaging examinationh (Evidence 3) |
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