2. Target tumors - information on tumors and cancer. Learn about brain tumors and lung cancer sympto...
Target Tumors - Cancer and tumor articles and webcasts about brain tumors, lung cancer and prostate cancer. Target Tumors offers expert advice about targeted therapies for tumors of the brain, stomach, prostate and lung.
http://www.targettumors.org/

3. Lung Cancer Causes, Symptoms and Treatment on eMedicineHealth.com
When lung cancer metastasizes, the tumor in the lung is considered the primary tumor, and the tumors in other parts of the body are called secondary tumors or metastatic tumors. Squamous cell carcinoma (an NSCLC) is the second most common type of...
http://www.emedicinehealth.com/lung_cancer/article_em.htm

4. eMedicine - Pneumonia, Bacterial : Article by James Stephen, MD
A follow-up chest radiograph should be obtained in about 6 weeks to ensure clearing of the infiltrate and to assess persistent abnormality of the lung parenchyma (eg, scarring, bronchiectasis) In patients in whom a precipitating factor was...
http://www.emedicine.com/EMERG/topic465.htm