[A scala of malignancy of the histomorphological forms of p.rimary pulmonary sarcomas (author's transl)].

By means of 435 case reports of the corresponding world literature from 1957 to 1972, among them 41 personally observed cases from 1957-1974, a scala of malignancy of the histomorphological forms of primary pulmonary sarcomas is stated. The prognostic chance of survival of the sarcoma patient is rising after active therapy parallel to the maturation of the tumor.