One of the most serious problems in the care of malignant tumors of the upper parts of the respiratory and digestive tracts is that of the treatment of metastatic involvement of the cervical lymph nodes. As a substitute for block dissection of the cervical lymph nodes, Martin1 has devised a method of irradiating the lymph nodes of the neck. The intention in this technic is to employ doses large enough to eradicate any cancer cells present in lymph nodes. Briefly, the method is that of inserting platinum radium needles, weak and heavily filtered, into the lymph nodes through small cutaneous incisions. In addition, supplementary external roentgen radiation is employed. The author discusses in detail 6 cases in which this technic was employed. Satisfactory resolution of the cervical involvement was obtained in 24 of 39 unselected cases of cancer of the lip and mouth. The 24 patients are living and