A newly licensed nurse was asked by her nurse preceptor about examples of malignant neoplasms. The nurse answers accurately with which of the following types of neoplasms?
Explanation
• Malignant fibrosarcomas rarely metastasize, but tend to grow in the same sites and may originate as benign fibromas.
• Bronchogenic carcinomas may account for 90% of all cases of lung cancer and can readily give rise to metastasis.
• Incorrect: Fibromas may grow anywhere in the body but are usually found in the uterus. They are generally small and are relatively harmless.
• Incorrect: Lipomas are common benign neoplasms that arise in adipose tissue.
• Incorrect: Leiomyomas are benign neoplasms of smooth muscle origin and are the most common benign tumors in women.