A metastatic carcinoma in the brain of an adult, most often comes from a primary in the:: (A) Stomach, (B) Ovary, (C) Oral cavity, (D) Lung
Answer is D. Metastatic carcinoma in the brain of an adult, most often comes from a primary in the Lung. The five most common primary sites are lung, breast, skin (melanoma), kidney, and gastrointestinal tract, accounting for about 80% of all metastases.