The value of tumor-stroma ratio as predictor of pathologic response after neoadjuvant chemoradiotherapy in esophageal cancer oleh G.W. van Pelt, J.A. Krol, I.M. Lips, F.P. Peters, D. van Klaveren, J.J. Boonstra, W.O. de Steur, R.A.E.M. Tollenaar, A. Farina Sarasqueta, W.E. Mesker, M. Slingerland