when hydroxyproline content in stomach cancer of type iv ( scirrhous ) was compared to that in other types ( i to iii ) of the cancer , the content in scirrhous was significantly elevated compared with that in cancers of other types , in terms of dry weight of whole tissue , number of cancer cells , and of insoluble proteins which are rich in collagen and elastin .
C0006826
cancer
C0334227
cancer cells