Thanks for your question on Healthcare Magic. I can understand your concern. Parenchymal infiltrates on chest x ray are seen mostly with pneumonia (lung infection) and tuberculosis. Lung cancer is less likely to cause such parenchymal infiltrates. So no need to worry much for lung cancer. You are also having diabetes, so infective cause like bacterial pneumonia and tuberculosis is more likely. So consult pulmonologist and get done clinical examination of respiratory system and sputum examination for pneumonia and tuberculosis. You may need antibiotic or anti tubercular drugs on the basis of these reports. Strict control of diabetes is needed. Hope I have solved your query. I will be happy to help you further. Wish you good health. Thanks.