“…One of the frequent and serious manifestations of advanced malignancies is pericardial involvement, which includes various degrees such as pericarditis, pericardial effusion, pericardial tamponade, and constrictive pericarditis. 4 Symptomatic effusion mostly presents with tachycardia, dyspnea (our patient's chief complaint), and echocardiographic characteristics of right heart failure, but it can also occur asymptomatically. 5 , 6 It needs special attention particularly during the Era of the coronavirus (COVID‐19) pandemic, which most of these symptoms mimic the SARS‐CoV‐2 infection and also suffering from COVID‐19 may alter the prognosis of patients with malignancies, 7 , 8 and those patients need special attention.…”