Agrupación familiar para el cáncer en individuos afectados por cáncer de pulmón Familial aggregation of cancer in individuals with lung cancer

An analytical study of control cases was carried out to evaluate cancer family grouping in relatives of individuals with lung cancer. Sixty patients diagnosed with lung cancer of non-small cells in stages IIIB or I V, from the Havana City province were evaluated, the controls being their respective spouses. The larger per cent of cases were of masculine sex, with a secondary education level, nonexposed to toxic substances, eating vegetables at least once a week and were smokers before the diagnosis. They have previous family cases of cancer and they were diagnosed being 55 years old, with a subsequent evolution of 1 to 3 years. In The risk factors for lung cancer found were nicotine poisoning, insufficient eating of vegetables, obesity and sedentary life. Relative risk and odds ratio were computed for the family grouping study that allowed evaluating the association degree in the influenced families as well as in the uninfluenced ones. Significant influence of family grouping for cancer in any anatomical location was found.