“…[2] The patient is frequently asymptomatic at the time of diagnosis; when symptoms occur, they are mainly due to the pressure of the cysts on adjacent organs. [3] Symptoms of atypical chest pain, dyspnea, paroxysmal tachypnea, and persistent cough are reported in about one-third of patients;[3] more rare are epigastric fullness, airway obstruction, asthma, venous obstruction, etc. [3] Possible complications are cyst rupture (leading to life-threatening pleural and pericardial effusion), erosion into adjacent structures, such as right ventricular wall or superior vena cava, cardiac tamponade or compression, mitral valve prolapse, obstruction of right main stem bronchus, and atrial fibrillation.…”