# Heart--Left ventricle--Surgery { "id": "S98006357", "title": "Heart--Left ventricle--Surgery", "url": "/topics/S98006357", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "110c9e5081fe5c7f", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "868152409380488742", "address_version": "morton4x16-v1", "coordinates": [ 0, 23, 24021, 21504 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh98006357 No owner-reviewed local answer yet.