{"ok":true,"api":{"name":"SAIMSARA Evidence Object Discovery API","version":"v1"},"mode":"doc_key","editorial_verification":{"status":"human_reviewed","trust_label":"machine_generated_human_reviewed","method":"World ID proof-of-human editorial account","scope":["clinical_integrity","reference_quality","scientific_coherence"],"verification_note":"This Evidence Object is machine-generated and human-reviewed. World ID is used to verify that editorial oversight was submitted by a unique human account.","does_not_mean":"World ID verifies proof-of-human editorial oversight; it does not independently certify the scientific truth of every claim."},"object":{"object_type":"saimsara_evidence_object_metadata","doc_key":"vascular::SVCS_PM","issue_slug":"vascular","doc_id":"SVCS_PM","title":"Superior Vena Cava Syndrome","doi":"10.62487/saimsaraea077b6a","doi_url":"https://doi.org/10.62487/saimsaraea077b6a","version":"2026-05-11","source_name":"PubMed","article_url":"https://saimsara.com/sessions/superior-vena-cava-syndrome-20260511-212909-ea077b6a/","image_url":"","topic_tags":"Superior vena cava syndrome,Mediastinal tumors,Venous obstruction,Malignancy,Central venous catheters,Thrombosis,Endovascular stenting,Mechanical thrombectomy,Collateral circulation,Computed tomography","keywords":["Superior vena cava syndrome","Mediastinal tumors","Venous obstruction","Malignancy","Central venous catheters","Thrombosis","Endovascular stenting","Mechanical thrombectomy","Collateral circulation","Computed tomography"],"metrics":{"included_all":1336,"included_original":1185,"reference_index":200,"total_participants":573425},"discover_url":"https://saimsara.com/api/v1/discover.php?doc_key=vascular%3A%3ASVCS_PM","paid_evidence_url":"https://saimsara.com/api/v1/evidence.php?doc_key=vascular%3A%3ASVCS_PM","price":{"amount":"5.00","currency":"USD","units":5,"unit_amount":"1.00"},"payment_methods":["api_key","stripe_checkout","object_grant","x402"],"text_length":26161,"preview":"Results Key finding aligned to the query: Across the included original studies, the most consistent paper-level finding is that SVCS is etiologically heterogeneous but remains predominantly a malignancy-associated syndrome in adults, especially in the setting of lung cancer and mediastinal tumors, while pediatric SVCS is most strongly linked to lymphoid and mediastinal malignancies. Adult cohorts reported malignancy-related SVCS in 60% to 90.1% of cases, with bronchogenic carcinoma repeatedly prominent, and older malignant-disease series similarly identified bronchogenic carcinoma as the leading cause. In pediatric cohorts, lymphoid malignancies dominated: one cohort identified Hodgkin lymph…","trust_label":"machine_generated_human_reviewed","editorial_verification":{"status":"human_reviewed","trust_label":"machine_generated_human_reviewed","method":"World ID proof-of-human editorial account","scope":["clinical_integrity","reference_quality","scientific_coherence"],"verification_note":"This Evidence Object is machine-generated and human-reviewed. World ID is used to verify that editorial oversight was submitted by a unique human account.","does_not_mean":"World ID verifies proof-of-human editorial oversight; it does not independently certify the scientific truth of every claim."},"checkout":{"method":"POST","url":"https://saimsara.com/create_checkout_session.php","content_type":"application/x-www-form-urlencoded","params":{"plan":"evidence_object","doc_key":"vascular::SVCS_PM"},"optional_params":{"customer_email":"user@example.com"},"price":{"amount":"5.00","currency":"USD","units":5,"unit_amount":"1.00"},"curl_example":"curl -X POST https://saimsara.com/create_checkout_session.php -d \"plan=evidence_object\" -d \"doc_key=vascular::SVCS_PM\" -d \"customer_email=user@example.com\""},"access_after_payment":{"header":"X-SAIMSARA-Payment-Proof","endpoint":"https://saimsara.com/api/v1/evidence.php?doc_key=vascular%3A%3ASVCS_PM","curl_example":"curl -H \"X-SAIMSARA-Payment-Proof: YOUR_PAYMENT_PROOF_TOKEN\" \"https://saimsara.com/api/v1/evidence.php?doc_key=vascular%3A%3ASVCS_PM\""}}}