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Portopulmonary hypertension (PPH) [1] is defined by the coexistence of portal and pulmonary hypertension. PPH is a serious complication of liver disease, present in 0.25 to 4% of all patients with cirrhosis. Once an absolute contraindication to liver transplantation, it is no longer, thanks to rapid advances in the treatment of this condition. [2]
25 was the world's best-selling album of the year for 2015, with 17.4 million copies sold within the year, [4] and has gone on to sell over 23.3 million copies worldwide, making it the fourth-best selling album of the 21st century, the second-best selling album of the 2010s (behind her own 21), and one of the best-selling albums of all-time. [5]
25 is the sum of the five consecutive single-digit odd natural numbers 1, 3, 5, 7, and 9. 25 is a centered octagonal number, [1] a centered square number, [2] a centered octahedral number, [3] and an automorphic number. [4] 25 percent (%) is equal to 1 / 4 . It is the smallest decimal Friedman number as it can be expressed by its own ...