The inferior vena cava and tributaries have no antemortem clots (See attached cardiopathology report for additional details).,RESPIRATORY SYSTEM:  ,The lungs weigh 550 grams and 500 grams, right and left, respectively. 
The inferior vena cava and tributaries have no antemortem clots ( See attached cardiopathology report for additional details).,RESPIRATORY SYSTEM : , The lungs weigh 550 grams and 500 grams , right and left , respectively .