the author took interest in the existence of effector cells which had natural killer ( nk ) activity on the lung , in other words organ-associated nk cells , compared the augmented effect of pulmonary nk activity by poly i : c with that of spleen nk activity , and also investigated the effect of activated pulmonary nk cells on established pulmonary metastasis .
C0024109
lung
C0153676
pulmonary metastasis