This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and breast, Subject name: Anatomy
Most sensitive imaging for ductal carcinoma insitu breast is 
Select and explain. 
A. Mammography, B. MRI, C. PET, D. USG
B: MRI
Answer: B: MRI 
Explanation: Screening with MRI is superior to mammography in detecting invasive breast cancer in younger women, where the sensitivity of mammography is low due to presence of mammographically dense breast parenchyma. Ref: Grainger 5th edition Pgno: 1190, 1188