Pericardial Involvement with Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma: A Rare Case of Constrictive Pericarditis

Graphical abstract
Highlights • CLL/SLL can involve the pericardium and may present as constrictive pericarditis. • Echocardiography and cardiac MRI can aid in diagnosing constrictive pericarditis. • Radical pericardiectomy is a treatment option for malignant pericardial involvement.