Lung cancer patients who quit smoking after being diagnosed with the disease have a significant 29% improvement in their survival compared with those who continue to smoke despite being diagnosed, according to a new Italian scientific study.
The researchers, led by Dr. Saverio Caini of the Institute for Cancer Research and Prevention in Florence, published their findings in the Journal of Thoracic Oncology of the International Association for the Study of Lung Cancer. 21 published studies (by October 2021) on the impact of smoking cessation after being diagnosed with lung cancer.
The study, which involved a total of more than 10,000 patients, concluded that smoking cessation is beneficial in different types of lung cancer. “Our study shows that treating physicians should educate lung cancer patients about the benefits of smoking cessation even after diagnosis and provide them with the support they need,” said Dr. Cain.
Tobacco, according to researchers, enhances the growth of tumors, their expansion and their spread, while reducing the effectiveness of radiotherapy and other treatments, as well as patients’ resistance to them. It also increases the risk of postoperative complications after tumor removal.
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