In this issue of _Surgical Oncology Clinics_, guest editor Dr. Alex Kim brings his considerable expertise to the topic of PERITONEAL SURFACE MALIGNANCY. Treatment for peritoneal surface malignancy (PSM) has advanced dramatically over the past decade, and in this issue, top experts discuss key topics such as pathology, classification, imaging, and therapeutics, as well as surgical advances in colorectal, gastric, appendiceal, and gynecologic cancer peritoneal metastasis. * Contains 13 RELEVANT, PRACTICE-ORIENTED TOPICS including disparities and healthcare delivery for patients with PSM; pathology and classification of PSMs; diagnostic imaging of peritoneal metastasis; diagnostic advances and novel therapeutics in peritoneal metastasis; challenges of treating PSMs; and more * Provides in-depth CLINICAL REVIEWS ON PERITONEAL SURFACE MALIGNANCY, offering actionable insights for clinical practice * Presents the LATEST INFORMATION ON THIS TIMELY, FOCUSED TOPIC under the leadership of experienced editors in the field. Authors synthesize and distill the latest research and practice guidelines to create clinically significant, topic-based reviews