1. What is a key difference between benign and malignant tumors in terms of their macroscopic features?
2. Which stage in carcinogenesis involves hyperplasia of mutated cells without morphological abnormalities?
3. What is the primary role of angiogenesis in tumor development?
Tumor — definition?
Abnormal cell proliferation within tissue.
Benign vs malignant — difference?
Benign is localized; malignant is invasive and metastatic.
Carcinogenesis — stages?
Initiation, promotion, progression.
Tumor — definition?
Abnormal cell proliferation within tissue.
Benign tumors — features?
Localized, well-differentiated, regular contour.
Malignant tumors — features?
Invasive, poorly differentiated, irregular, metastatic.
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