{"uid":"cap_k8y4SLJf8V805VpXWwYaN","slug":"lent-score-calculator-for-malignant-pleural-effusion-19189f93","name":"LENT Score Calculator for Malignant Pleural Effusion","description":"Clive 2014 LENT score for malignant pleural effusion: pleural LDH IU/L (<1500 → 0, >1500 → 1), ECOG 0-4 (0→0, 1→1, 2→2, 3-4→3), serum NLR as a number (<9 → 0, >9 → 1), tumour type (mesothelioma/haematological 0; breast/gynaecological/renal_cell 1; lung/other 2). Score 0-7: 0-1 low, 2-4 moderate, 5-7 high. Equality at 1500 or 9 is not scored. Not a diagnosis or treatment order.","url":"https://api.magentlab.com/api/calc/lent","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"headers":{"type":"object","additionalProperties":{"type":"string"}},"queryParams":{"type":"object","required":["pleural_ldh_u_l","ecog","nlr","tumor_type"],"properties":{"nlr":{"type":"number","description":"Serum neutrophil-to-lymphocyte ratio as a number (0.05-200, not 9). Clive 2014 Table 3: <9 scores 0, >9 scores 1. Equality at 9 is not scored. Pass nlr; magent does not compute it from percents."},"ecog":{"type":"integer","description":"Oken 1982 ECOG performance status 0-4 as assigned by the caller. Clive 2014: 0→0, 1→1, 2→2, 3-4→3. Grade 5 (dead) is not scored. magent does not observe the patient."},"tumor_type":{"enum":["mesothelioma","haematological","breast","gynaecological","renal_cell","lung","other"],"type":"string","description":"Clive 2014 tumour type. mesothelioma or haematological (also hematological) scores 0; breast, gynaecological (also gynecological), or renal_cell scores 1; lung or other scores 2. magent does not assign tumour type from histology text."},"pleural_ldh_u_l":{"type":"number","description":"Pleural fluid LDH in IU/L (1-20000, not 1500). Clive 2014 Table 3: <1500 scores 0, >1500 scores 1. Equality at 1500 is not scored."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_xQSdA9Z2kV8Ul2OqBMGn6","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes the Clive 2014 LENT prognostic score for malignant pleural effusion from pleural LDH, ECOG status, serum NLR, and tumour type","exampleAgentPrompt":"Calculate the LENT score for a patient with pleural LDH of 2200 IU/L, ECOG status 2, serum NLR of 6.5, and a lung cancer tumour type — what risk category do they fall into?","exampleUseCases":[{"title":"Oncology clinic prognostic staging","prompt":"I have a breast cancer patient with a malignant pleural effusion. Her pleural LDH is 900 IU/L, ECOG is 1, NLR is 11.2. What is her LENT score and risk group?"},{"title":"Palliative care decision support","prompt":"We are considering pleurodesis for a mesothelioma patient. His pleural LDH is 1800 IU/L, ECOG is 3, and NLR is 8. Can you calculate his LENT score so we can discuss prognosis with the family?"},{"title":"Haematology MDT documentation","prompt":"For the MDT notes, compute the Clive 2014 LENT score for a haematological malignancy patient with pleural LDH 600 IU/L, ECOG 0, and NLR 4.5."}],"resultDescription":"Returns the numeric LENT score (0-7) and the corresponding risk category: low (0-1), moderate (2-4), or high (5-7), based on the four input variables weighted according to the Clive 2014 scoring table.","failureModes":["Missing required parameters (pleural_ldh_u_l, ecog, nlr, tumor_type) returns a validation error","ECOG value outside 0-4 range rejected","Pleural LDH exactly equal to 1500 or NLR exactly equal to 9 is not scored and returns an error or indeterminate result","Invalid tumour_type enum value returns a 400 error","NLR passed as a percentage rather than a ratio will produce incorrect scoring"],"whenToPreferThis":"Use this endpoint when you need a validated, reproducible computation of the Clive 2014 LENT prognostic score for malignant pleural effusion in a clinical or research workflow. Prefer it over manual lookup tables when automating oncology documentation, MDT note generation, or palliative care triage pipelines. It is not a substitute for clinical judgment and does not diagnose or prescribe treatment.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:51:32.641Z","isFirstParty":false}