A 64 year-old male, with a long history of COPD, presents with increasing fatigue over the last three months. The patient has stopped playing golf and also complains of decreased appetite, chronic cough and a bloated feeling. Physical examination reveals distant heart sounds, questionable gallop, lungs with decreased breath sounds at lung bases and the abdomen reveals RUQ tenderness with the liver two finger-breadths below the costal margin, the extremities show 2+/4+ pitting edema. Labs reveal the serum creatinine level 1.6 mg/dl, BUN 42 mg/dl, liver function test's mildly elevated and the CBC to be normal. Which of the following is the most likely diagnosis?a. Right ventricular failureb. Pericarditisc. Exacerbation of COPDd. Cirrhosis

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