Lung cancer may sound daunting, but understanding its intricacies can be the first step towards prevention and effective management. Lung carcinoma, another name for lung cancer, is a kind of malignant tumour that originates in the lungs. When lung cells' DNA alterations, the cells proliferate quickly and develop into a mass known as a tumour. In addition to the cancer cells spreading to other regions of the body, the tumour has the potential to develop and kill healthy tissue. The most common cause of cancer-related deaths in both men and women is lung cancer. Every year in the India there is a 6.9 age-standardized incidence rate of lung cancer for every 100,000 individuals. Further worldwide an estimated 2.2 million new cases of lung cancer were reported globally in 2020, making up 11.4% of all cancer cases. Interestingly by gender after prostate cancer, lung cancer is the second most prevalent cancer in males, and after breast cancer, it is the second most frequent disease in women. Lastly by nation Lung cancer patients were most prevalent in China, Japan, India, Indonesia, and Turkey