| Presence of direct invasion by primary malignant neoplasm of gallbladder to lymphatic vessel and/or small blood vessel (observable entity) | | Presence of direct invasion by primary malignant neoplasm of gallbladder to lymphatic vessel and/or small blood vessel | | Status of lymphovascular invasion by primary malignant neoplasm of gallbladder
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| | Id | 1155833005 | | Status | Defined |
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