Lung tumor

Lung tumors are neoplastic lung nodules. These include:

Primary tumors of the lung/pulmonary system:
 * Bronchial leiomyoma, a rare, benign tumor
 * Lung cancer,    the term commonly used to refer to carcinoma of the lung
 * Pulmonary carcinoid tumor
 * Pleuropulmonary blastoma
 * Neuroendocrine tumors of the lung
 * Lymphomas of the lung.
 * Sarcomas of the lung.
 * Some rare vascular tumors of the lung

Non-lung tumors which may grow into the lungs:
 * Mediastinal tumors
 * Pleural tumors

Metastasis or secondary tumors/neoplasms with other origin:
 * Metastasis to the lung