To evaluate the impact of the 23-valent pneumonia vaccine on the incidence of pulmonary infection and survival in lung cancer patients, and to explore its preventive effect and safety in the lung cancer patients.
Male or female patients >=18 years of age;
Histological diagnosis of NSCLC, including both non-small cell lung cancer and small cell lung cancer, regardless of whether they are in the early, locally advanced stage or advanced stage, and regardless of whether they have received surgery, radiotherapy, chemotherapy or other treatments;
Never received pneumococcal vaccine
None