This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Gemcitabine is effective in - 
Select and explain. 
A. Head and neck cancers, B. Pancreatic cancer, C. Small-cell lung cancer, D. Soft tissue sarcoma
B: Pancreatic cancer
Answer: B: Pancreatic cancer 
Explanation: Ans. is 'b' i.e., Pancreatic cancer o Gemcitabine is the DOC for pancreatic carcinoma.