This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Skin, Bones and Joints, Subject name: Pathology
Which of the following is true about hyperophic scar? 
Select and explain. 
A. It does not improve with time, B. Flexor surfaces are usually affected, C. Usually develops months after surgery, D. The lesion overgrows its boundaries
B: Flexor surfaces are usually affected
Answer: B: Flexor surfaces are usually affected 
Explanation: Hyperophic Scar Keloid Scar within the margin Improves with time Flexor surface usually affected Usually develops weeks after surgery Scar outside the margin Never improves with time Skin our sternum are effected/pinna Characterized by excess type III Collagen