these studies revealed that the lymphatic drainage of the pericardial space is via ( a ) the principal coronary lymphatic which drains from the left ventricular muscle and passes to the right upper mediastinum via the cardiac lymph node , ( b ) the lesser coronary lymphatic which drains the right ventricular muscle and passes to the left upper mediastinum , and ( c ) bilateral internal mammary ( parasternal ) lymphatic chains .
C0225897
left ventricular
C0018787
cardiac