[Clinico-morphological indices for the differential diagnosis and prognosis of the course of a series of malignant tumors].

The study was concerned with development of parameters to be used in making prognosis of survival in squamous-cell cancer of the skin, fibrosarcoma, malignant fibrous histiocytoma of the bone, leiomyosarcoma, rhabdomyosarcoma, secondary chondrosarcoma, chondroma and osteochondroma. One of them--tumor growth rate--is a maximum tumor size/case history duration ratio (Formula: see text). Other coefficients represent ratios between some characteristics (maximum size or Tt.