- blood clots in the portal vein,
- blockages of the veins that carry the blood from the liver to the heart, and
- a parasitic infection called schistosomiasis.
- varices (enlarged veins),
- vomiting blood and blood in the stool.
- black, tarry stool,
- ascites (abnormal fluid collection within the peritoneum, the sac that contains the intestines within the abdominal cavity),
- confusion and lethargy,
- splenomegaly or enlargement of the spleen, and
- decreased white blood cell counts.
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