Upper abdominal pain developing suddenly or progressing over a few days
Possibly accompanied by nausea, hepatomegaly, splenomegaly; may be accompanied by persistent non-spiking fever in the setting of systemic inflammation
Other signs/symptoms based on underlying cause (e.g. bleeding disorders, hepatic stigmata if due to cirrhosis)
May be clinically silent in a portion of patients and diagnosed incidentally during a CT exam for other reasons (e.g. acute pancreatitis)
Often asymptomatic; incidental finding on imaging
Associated with<unk>  hypertension
Portal vein thrombosis
Mesenteric vein thrombosis
Deep venous thrombosis
Budd-Chiari syndrome
Superficial thrombophlebitis
Venous thromboembolism
Lymphangitis
Phlebitis