The phrenic (diaphragmatic) nodes lie on the thoracic surface of the diaphragm in front, at the sides near the phrenic nerves, and behind near the crura.
| Location | Superior surface of the diaphragm: anterior (prepericardial), lateral and posterior groups |
|---|---|
| Receives lymph from | |
| Lymphatic drainage |
|
Filter lymph from the diaphragm and upper liver.
Enlarged anterior phrenic (cardiophrenic) nodes on CT may indicate spread of ovarian cancer, lymphoma or liver disease across the diaphragm.
Enlarged nodes beside the heart on the diaphragm, often from abdominal cancer spread.
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