Inclusion Criteria:  Adult patients of both genders. Patients with pleural effusion, pneumothorax, lung mass or chest wall mass accessible for thoracic ultrasound guided intervention  Exclusion Criteria:  Children and patients less than 18 years old. Pregnant and lactating ladies. Patients with disturbed level of consciousness. Patients with known bleeding disorders. Patients with advanced liver and kidney disorders. Patients with known hypersensitivity to NSAIDS. Patients with chronic chest diseases. Patients who refuse to participate in the trial