Background: Tumor is a disease caused by abnormal cells dividing out of control. Lung tumor is a type of tumor that primarily affects smokers. Coughing, wheezing, chest pain, and other symptoms of lung tumor include these. Tecoma stans, popularly known as yellow bells, flowering perennial shrub endemic to the United States that belongs to the Bignoniaceae family of trumpet vines. It possesses antimicrobial, antispasmodic, antidiabetic, antibacterial, and trypsin inhibitor effects, among other things