<prompt> Most common type of carcinoma of lung isSmall cell carcinomaAdenocarcinomaSquamous cell carcinomaLarge cell carcinoma  <response>: Lung tumorsIn children Most common lung tumor is metastasis.Most common benign tumor of the pediatric lung including both infants and children is inflammatory myofibroblastic tumor.Most common benign lung tumor in infants are pleuropulmonary blastoma.Most common primary malignant tumor of the pediatric lung is bronchial carcinoid.AdultsMost common lung tumor is metastasis.Most common benign tumor is pulmonary hamartoma.Most common primary malignant tumor ini. India - Squamous cell carcinoma.ii. World - Adenocarcinoma. 