The spleen ( ) A: It is the extraperitoneal organ B: It is located in the right quaternary costal region C: Its long axis is consistent with the costal arch D: Diaphragmatic surface and diaphragm of the spleen.Diaphragmatic colon<br/>ligament contact

Which of the following diaphragm images is abnormal? A: Turtle sign B: The atelectasis is smooth and wavy. C: Adult, the right diaphragmatic top is often slightly higher than the left diaphragm. D: The anterior costophrenic angle is higher than the posterior one.

About the spleen, the right description is （）. A: it is situated in the left lower part of thoracic cavity B: its long axis is in the line of the 10th rib C: it is palpable below the left costal arch D: there are splenic notches on its anterior extremity E: the hilum of spleen lies on the diaphragmatic surface

Which of the statements on invasive thymoma is incorrect? A: Multiple metastases are likely to happen in the lung B: CT manifests as an irregular mass with unclear edges C: The main sign of mediastinal invasion is the disappearance of fat space D: It can grow along the pleura to the posterior mediastinum and pericardium on the same side E: It can enter the abdominal cavity through the aortic orfice and diaphragmatic aperture