Which of the following is best indicator of prognosis of soft tissue sarcoma -

Ans. is 'd' ie tumor grade "Histologic grade remains the most impoant prognostic factor for patients with sarcomas."- Schwaz "Sabiston writes - Current staging system for soft tissue sarcoma focus on histological grade of the tumor, size of the primary tumor, and the presence or absence of metastasis. Histologic grade is a major prognostic determinant and is based on degree of mitosis, cellulaity, presence of necrosis, differentiation and stromal content"