Chylothorax due to thrombosis of the jugular and subclavian veins in a patient with gastric cancer: a case report.

Our case report demonstrates chylothorax as a rare cause of dyspnea in a patient with pleural effusion and a history of cancer. Therefore, this diagnosis should be considered in all patients with a history of cancer with new-onset pleural effusion and thrombosis of the upper extremities or clavicular/mediastinal lymphadenopathy.