A 65-year-old man with a history of COPD presents with worsening dyspnea and leg swelling. On exam: JVP is elevated, loud P2, hepatomegaly, and bilateral ankle edema. ECG shows right axis deviation.
What is the most likely diagnosis?
A) Left-sided heart failure
B) Constrictive pericarditis
C) Cor pulmonale
D) Pulmonary embolism