A condition that occurs when the obstruction of the thin-walled SUPERIOR VENA CAVA interrupts blood flow from the head, upper extremities, and thorax to the RIGHT ATRIUM. Obstruction can be caused by NEOPLASMS; THROMBOSIS; ANEURYSM; or external compression. The syndrome is characterized by swelling and/or CYANOSIS of the face, neck, and upper arms.

The venous trunk which returns blood from the head, neck, upper extremities and chest.

Large veins on either side of the root of the neck formed by the junction of the internal jugular and subclavian veins. They drain blood from the head, neck, and upper extremities, and unite to form the superior vena cava.

Tumors or cancer of the MEDIASTINUM.

Radiographic visualization or recording of a vein after the injection of contrast medium.

Disorders of the mediastinum, general or unspecified.

Empyema due to MYCOBACTERIUM TUBERCULOSIS.

The venous trunk which receives blood from the lower extremities and from the pelvic and abdominal organs.

Inflammation of the mediastinum, the area between the pleural sacs.

Tomography using x-ray transmission and a computer algorithm to reconstruct the image.

An abnormal balloon- or sac-like dilatation in the wall of AORTA.

Devices that provide support for tubular structures that are being anastomosed or for body cavities during skin grafting.

A vein which arises from the right ascending lumbar vein or the vena cava, enters the thorax through the aortic orifice in the diaphragm, and terminates in the superior vena cava.

Mechanical devices inserted in the inferior vena cava that prevent the migration of blood clots from deep venous thrombosis of the leg.

Malignant neoplasm arising from the epithelium of the BRONCHI. It represents a large group of epithelial lung malignancies which can be divided into two clinical groups: SMALL CELL LUNG CANCER and NON-SMALL-CELL LUNG CARCINOMA.

Works containing information articles on subjects in every field of knowledge, usually arranged in alphabetical order, or a similar work limited to a special field or subject. (From The ALA Glossary of Library and Information Science, 1983)