IT is the unfortunate lot of some patients dying of metastatic cancer of the breast, lung, cervix and so forth to be plagued by severe dyspnea due to recurrent malignant pleural effusions. Many of these people would have several months of relative comfort at home if they could only breathe. The simple procedure of talc poudrage of the pleural space is discussed in relation to this problem. Therapeutic Considerations Various forms of therapy have been used over the years, but most have left much to be desired. Multiple thoracenteses often not only cause great discomfort and unhappy anticipation for these . . .