[Pleural exudates in patients with lung cancer. Comparative study]

Area of Science:

• Oncology
• Pulmonology
• Thoracic Surgery

Background:

• Pleural exudate complicates lung cancer, potentially influencing disease presentation and prognosis.
• Understanding the characteristics of lung cancer with pleural exudate is crucial for diagnosis and treatment.
• This study investigates differences between lung cancer patients with and without complicating pleural exudate.

Purpose of the Study:

• To compare clinical, morphological, and staging differences in lung cancer patients with and without pleural exudate.
• To analyze treatment variations and survival outcomes between these two groups.

Main Methods:

• Retrospective analysis of 228 lung cancer patients over 15 months.
• Classification into Group A (with pleural exudate, n=24) and Group B (without, n=204).
• Comparison of demographics, symptoms, tumor types, TNM stages, treatment, and survival.

Main Results:

• Group A (pleural exudate) showed significantly more dyspnea, chest pain, weight loss, and neck edema.
• Small-cell lung cancer and peripheral/central forms were more frequent in Group A; advanced TNM stage IV predominated.
• Group B (no pleural exudate) had more spinocellular types, earlier TNM stages (I & II), and received surgical treatment (17.6%).

Conclusions:

• Pleural exudate in lung cancer is associated with more severe symptoms, advanced disease, and specific histological types.
• The absence of pleural exudate may correlate with earlier stages and eligibility for surgical intervention.
• While survival differences were observed, they were not statistically significant in this cohort.