{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,21]],"date-time":"2026-07-21T16:04:12Z","timestamp":1784649852628,"version":"3.55.0"},"reference-count":63,"publisher":"MDPI AG","issue":"14","license":[{"start":{"date-parts":[[2026,7,21]],"date-time":"2026-07-21T00:00:00Z","timestamp":1784592000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Nutrients"],"abstract":"<jats:p>Background\/Objectives: Lung cancer remains the leading cause of cancer-related mortality worldwide, and surgical resection is the primary curative treatment for patients with early-stage non-small cell lung cancer (NSCLC). Patients undergoing lung cancer surgery are frequently affected by malnutrition, systemic inflammation, sarcopenia, and cancer-related cachexia, which may adversely affect postoperative recovery and clinical outcomes. Perioperative immunonutrition has been proposed as a strategy to support immune and metabolic responses associated with surgical stress. This narrative review summarizes current evidence regarding the role of perioperative immunonutrition in patients undergoing lung cancer surgery. Methods: This narrative review summarizes current evidence regarding perioperative immunonutrition in patients undergoing lung cancer surgery. Relevant studies evaluating perioperative immunonutrition, including formulations enriched with arginine, omega-3 fatty acids, glutamine, and nucleotides, were analyzed. Particular attention was given to clinical studies in thoracic surgical oncology, perioperative outcomes, inflammatory response, and current nutritional guideline recommendations. Results: Available evidence suggests that perioperative immunonutrition may improve nutritional and immunological status in patients undergoing lung cancer surgery. Clinical studies have reported reductions in postoperative complications, shorter chest drainage duration, improved nutritional indices, and decreased inflammatory markers in patients receiving immunonutritional support. Experimental and translational studies also indicate potential beneficial effects on immune cell function and inflammatory regulation. However, current thoracic-specific evidence remains limited because of small study populations, heterogeneity of nutritional protocols, and variability in study design. Conclusions: Perioperative immunonutrition appears to be a promising adjunct to comprehensive perioperative care in patients undergoing lung cancer surgery. Although preliminary evidence suggests potential benefits in postoperative recovery and nutritional optimization, its implementation should be individualized according to the patient\u2019s nutritional status, disease stage, and overall treatment strategy. As immunonutrition modulates metabolic and immune pathways that may also influence tumor biology, nutritional interventions should be evidence-based, carefully monitored, and integrated within multidisciplinary perioperative care to maximize clinical benefits while minimizing potential unintended effects. Further large, well-designed randomized clinical trials are needed to establish standardized protocols and clarify the role of immunonutrition in thoracic surgical oncology.<\/jats:p>","DOI":"10.3390\/nu18142381","type":"journal-article","created":{"date-parts":[[2026,7,21]],"date-time":"2026-07-21T15:17:52Z","timestamp":1784647072000},"page":"2381","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Perioperative Immunonutrition in Patients Undergoing Lung Cancer Surgery: Current Evidence and Future Perspectives"],"prefix":"10.3390","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0009-0008-1144-3479","authenticated-orcid":false,"given":"Alicja","family":"Werbli\u0144ska","sequence":"first","affiliation":[{"name":"Department of Thoracic Surgery, Poznan University of Medical Sciences, Szamarzewskiego 62 Street, 60-569 Poznan, Poland"},{"name":"Doctoral School, Poznan University of Medical Sciences, Bukowska 70, 60-812 Poznan, Poland"},{"name":"Greater Poznan Center of Pulmonology and Thoracic Surgery, Szamarzewskiego 62 Street, 60-569 Poznan, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7056-4472","authenticated-orcid":false,"given":"Piotr Jerzy","family":"Skrzypczak","sequence":"additional","affiliation":[{"name":"Department of Thoracic Surgery, Poznan University of Medical Sciences, Szamarzewskiego 62 Street, 60-569 Poznan, Poland"},{"name":"Greater Poznan Center of Pulmonology and Thoracic Surgery, Szamarzewskiego 62 Street, 60-569 Poznan, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6495-6771","authenticated-orcid":false,"given":"Magdalena","family":"Roszak","sequence":"additional","affiliation":[{"name":"Department of Pathophysiology, Poznan University of Medical Sciences, 61-701 Poznan, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6873-5861","authenticated-orcid":false,"given":"Maciej","family":"Bryl","sequence":"additional","affiliation":[{"name":"Greater Poznan Center of Pulmonology and Thoracic Surgery, Szamarzewskiego 62 Street, 60-569 Poznan, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cezary","family":"Piwkowski","sequence":"additional","affiliation":[{"name":"Department of Thoracic Surgery, Poznan University of Medical Sciences, Szamarzewskiego 62 Street, 60-569 Poznan, Poland"},{"name":"Greater Poznan Center of Pulmonology and Thoracic Surgery, Szamarzewskiego 62 Street, 60-569 Poznan, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6402-8430","authenticated-orcid":false,"given":"Piotr","family":"Gabryel","sequence":"additional","affiliation":[{"name":"Department of Thoracic Surgery, Poznan University of Medical Sciences, Szamarzewskiego 62 Street, 60-569 Poznan, Poland"},{"name":"Greater Poznan Center of Pulmonology and Thoracic Surgery, Szamarzewskiego 62 Street, 60-569 Poznan, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,7,21]]},"reference":[{"key":"ref_1","first-page":"10","article-title":"Cancer statistics, 2025","volume":"75","author":"Siegel","year":"2025","journal-title":"CA Cancer J. 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