TI - A CASE OF PRIMARY UNKNOWN SIGNET-RING CELL CARCINOMA PRESENTED WITH SUBCLAVIAN-JUGULAR-AXILLARY VENOUS THROMBOSIS AU - MİNE ÇABUK, AU - HAYRİ ÖZSAN, AU - HASAN ÜSTÜN, AU - HASAN ÜSTÜN, AU - MESUT AKARSU, AU - FATİH DEMİRKAN, AU - AYDANUR KARGI, AU - BÜLENT ÜNDAR, AU - CAVİT ÇEHRELİ, SO - Turk J Oncol 2010;25:204-206. DO -