<prompt> Answer this question truthfullyWhat information about portal hypertension is available on the portal?  <response>: <reason> Portal hypertension is diagnosed based on:Physical examination Enlarged spleen Dilated veins around the umbilicus Yellowish discoloration of skin icterus CT-scan and MRI Dilated veins around the liver Enlarged spleen Accumulation of fluid in abdominal cavity Color-doppler ultrasound Increased flow through portal vein and stomach veins Endoscopy Dilated veins at the lower portion of esophagus 