Q- could it be that macrophages are providing iron for cancer cells?
Impact of tumour associated macrophages in pancreatic cancer.
Tumor Cells and Tumor-Associated Macrophages: Secreted Proteins as Potential Targets for Therapy
http://www.hindawi.com/journals/jir/2011/565187/
Macrophages and Iron
https://ahdc.vet.cornell.edu/clinpath/modules/chem/femetb.htm
The desmoplastic stroma plays an essential role in the accumulation and modulation of infiltrated immune cells in pancreatic adenocarcinoma.
http://www.ncbi.nlm.nih.gov/pubmed/22190968