Main bronchus (less than 2 cm distal to the carina) involved by direct extension of malignant neoplasm
main bronchus (less than 2 cm distal to the carina) involved by direct extension of malignant neoplasm
Main bronchus (less than 2 cm distal to the carina) involved by direct extension of malignant neoplasm
main bronchus (less than 2 cm distal to the carina) involved by direct extension of malignant neoplasm