Biopsy Proven Adenocarcinoma: Adenocarcinomas are very malignant tumors from glands, and commonly found in the lung. This patient had a 40 pack year history of smoking, which is strongly related to adenocarcinomas. These types of cancers are one of the leading causes of death. In the lungs, these have varying prognosis, at best less than 60% over 5 years (for localized malignancies).
