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A 20-year-old woman was admitted to another hospital due to schizophrenia in July 2003. The patient felt chest pain and palpitation in August, and she was referred to our hospital. Chest computed tomography (CT) showed a mass in the left thoracic cavity and a pleural/pericardial effusion. Since general condition did not improved in spite of aggressive supportive treatment, surgical treatment was chosen. An operation was performed via median sternotomy in September. The tumor was found to have adhered firmly to the surrounding organs. Pericardial fenestration was performed; then the tumor was resected with the left phrenic nerve due to tight adhesion. The patient received respiratory support in the intensive care unit for 5 days after surgery, uneventfully. Twenty-three months after surgery, she is surviving and free from schizophrenic symptoms without medication.

On February 25, 2004, 59-year-old woman visited a local clinic due to lower abdominal pain. On February 28, she was admitted to the clinic due to severe abdominal pain. Computed tomography (CT) showed a mass in the lower abdomen and plural effusion and athelectasis of the right lung. She had severe anemia (Hb 6.9 g/dl). On March 1, she was transferred to our hospital. Pleural fluid was revealed to be sanguineous by thoracentasis. She underwent thoracotomy on the day of admission. There was no source of bleeding in the pleural space. A small pore, 3 mm in diameter, was found in the tendinous portion of the diaphragm. An influx of bloody fluid from the abdomen via the pore caused hemothorax. Laparotomy was performed, followed by closure of the pore using direct suture. The origin of the abdominal bleeding was pedicle torsion of the right ovarian tumor. Seven months after surgery she was uneventful with no pleural effusion.