Variable symptoms
Early satiety, bloating, upper abdominal discomfort
Nausea/vomiting
Abdominal pain (not predominant symptom)
Dehydration, malnutrition if longstanding disease
Gastroparesis
ACS/MI
Dysphagia
Boerhaave's
Dysuria
DKA
Constipation 
Intracranial Hemorrhage