primary pulmonary adenocarcinomaprimary pulmonary neoplasmprimary lung cancer in dogsprimary bronchogenic carcinomaprimary bronchogenic neoplasmprimary bronchogenic malignancyneuroendocrine carcinoma lungmetastatic carcinoma lungadenosquamous carcinoma lungsarcomatoid carcinoma lungsquamous carcinoma lungadenoma carcinoma of the lung