These thin membrane tubes are tough to be visualized in tumors, especially in predominantly stromal tumors which have a worse prognosis than non-stromal cancers [79,80,81]. homeostasis and can be an important aspect aspect for tumor advancement, organization and … Continue reading These thin membrane tubes are tough to be visualized in tumors, especially in predominantly stromal tumors which have a worse prognosis than non-stromal cancers [79,80,81]