statistical analysis by x2 test showed ( for all classified histological types of bronchial carcinomas , except small cell carcinoma ) that : 1 ) larger tumors had a great quantity of giant cells ( p less than 0.05 ; p less than 0.01 ) , 2 ) large tumors had more clear cells ( p less than 0.05 ; p less than 0.01 ) and 3 ) tumors with a greater amount of necrosis had a larger number of giant and clear cells ( p less than 0.05 ; p less than 0.01 ) .
C0007121
bronchial carcinomas
C0149925
small cell carcinoma