Retroperitoneal and Abdominal Sarcomas

(P 327) LEARNING CURVE ANALYSIS IN RETROPERITONEAL SARCOMA SURGERY

(P 328) REAL-LIFE EXPERIENCE OF PAZOPANIB IN PATIENTS WITH ADVANCED UTERINE LEIOMYOSARCOMA (U-LMS) FROM TWO REFERRAL ITALIAN CENTERS

(P 329) DISTANT METASTASIS IN RETROPERITONEAL LEIOMYOSARCOMA: TUMOR SIZE, GRADE AND MORE?

(P 330) TREATMENT VARIATIONS, OUTCOMES AND PATTERNS OF RECURRENCE AFTER CURATIVE INTENT TREATMENT FOR PRIMARY RETROPERITONEAL SARCOMAS IN LATIN AMERICA. FIRST COLLABORATIVE LATAMSARC STUDY

(P 331) MUSCULAR DEDIFFERENTIATION IN DEDIFFERENTIATED LIPOSARCOMA: INSIGHTS INTO INFLAMMATORY PROFILES USING THE NEUTROPHIL/LYMPHOCYTE RATIO AND PROGNOSTIC IMPLICATIONS

(P 332) SURGICAL OUTCOMES OF RETROPERITONEAL LIPOSARCOMA - SINGLE INSTITUTIONAL STUDY N JAPAN -

(P 333) SYSTEMIC TREATMENT IN INTRA-ABDOMINAL DESMOID-TYPE FIBROMATOSIS: A SINGLE INSTITUTION RETROSPECTIVE CASE SERIES ANALYSIS

(P 334) CHARACTERISTICS AND OUTCOMES FOR PATIENTS IN THE UNITED STATES WITH DEDIFFERENTIATED LIPOSARCOMA FROM A REAL-WORLD DATA SET

(P 336) EVOLUTION AND PURSUIT OF EXCELLENCE IN SARCOMA MANAGEMENT IN AN ASIAN TERTIARY SARCOMA SPECIALISED CENTRE

(P 337) CLINICAL OUTCOME OF THE PATIENTS WITH HIGH GRADE UTERINE SARCOMA: A SINGLE CENTRE REAL WORLD EXPERIENCE

(P 338) PREOPERATIVE RADIATION THERAPY IS NOT ASSOCIATED WITH ADVERSE POSTOPERATIVE OUTCOMES IN PATIENTS WITH RETROPERITONEAL SARCOMA

(P 339) QUALITY OF SURGERY AND OUTCOME FOR GIANT RETROPERITONEAL LIPOSARCOMA TREATED WITHIN SEMI-ABDOMINAL EN BLOC RESECTION USING VASCULAR PRIORITY CENTRAL APPROACH-A RETROSPECTIVE COHORT

(P 340) CENTRAL BOOST RADIATION THERAPY CAN ACHIEVE DURABLE LOCAL RESPONSE IN UNRESECTABLE RETROPERITONEAL SARCOMA

(P 341) A PHASE 1B STUDY TO EVALUATE PREOPERATIVE ERIBULIN IN COMBINATION WITH RADIATION IN RETROPERITONEAL SARCOMA

(P 342) THE EVALUATION AND OUTCOMES OF MESENTERIC AND INTRA-ABDOMINAL DESMOIDS: A TARPSWG STUDY

(P 343) STEREOTACTIC BODY RADIATION THERAPY (SBRT) IN ADVANCED/RECURRENT RETROPERITONEAL SARCOMA: PRELIMINARY RESULTS

(P 345) CLINICIAN SURVEY - CURRENT GLOBAL PRACTICE FOR SARCOMA SURVEILLANCE FOLLOWING RESECTION OF PRIMARY RETROPERITONEAL, ABDOMINAL, AND PELVIC SARCOMA

(P 346) DETECTION OF GERMLINE VARIANTS IN PATIENTS DIAGNOSED WITH SOFT TISSUE SARCOMA USING EXPANDED

(P 347) INCIDENCE AND TIMING OF RECURRENCE AFTER ADJUVANT PALBOCICLIB IN COMPLETELY RESECTED RETROPERITONEAL LIPOSARCOMA

(P 348) RESECTION OF RECURRENT RETROPERITONEAL SOFT TISSUE SARCOMAS: ARE INTENSIVE MULTIMODAL TREATMENTS ASSOCIATED WITH INCREASED PERIOPERATIVE MORBIDITY?