Multiple primary sporadic gastrointestinal stromal tumors in the adult: an underestimated entity

Gasparotto, D; Rossi, S; Bearzi, I; Doglioni, Claudio; Marzotto, A; Hornick, Jl; Grizzo, A; Sartor, C; Mandolesi, A; Sciot, R; DEBIEC RYCHTER, M; DEI TOS, Ap; Maestro, R.