A 67-year-old man named Juan presents with urinary frequency…
A 67-year-old man named Juan presents with urinary frequency, nocturia, and difficulty starting urination. Physical examination reveals an enlarged prostate, but laboratory studies and imaging show no evidence of invasion into surrounding tissues or metastasis. His provider explains that the condition is common in aging men and is characterized by an increase in the number of normal prostate cells. The patient asks whether he has cancer. Which statement best explains the difference between hyperplasia and a neoplasm?