<unk>  causes upper abdominal pain, possibly accompanied by nausea and an enlarged liver and/or spleen; the abdomen may be filled with fluid (ascites). A persistent fever may result from the generalized inflammation. While abdominal pain may come and go if the thrombus forms suddenly, long-standing clot build-up can also develop without causing symptoms, leading to<unk>  hypertension before it is diagnosed. Other symptoms can develop based on the cause. For example, if<unk>  develops due to liver cirrhosis, bleeding or other signs of liver disease may be present. If<unk>  develops due to pylephlebitis, signs of infection such as fever, chills, or night sweats may be present.
Portal vein thrombosis
Phlebothrombosis
Hepatic artery thrombosis
Deep vein thrombosis
Septic thrombophlebitis
Varicose veins
Pseudothrombophlebitis
Superficial vein thrombosis