This document appears to be a presentation in Vietnamese on chest wall abnormalities seen on radiography. It begins with an introduction defining chest wall deformity and noting that it is commonly overlooked. Each following section then discusses and provides examples of various chest wall abnormalities that could be seen on x-ray, including increased or decreased density of the ribs, abnormalities of the costal cartilage, bony abnormalities of the ribs, and breast implants. Images are included with explanations to demonstrate different pathologies. The presentation concludes by emphasizing the importance of recognizing these chest wall deformities on radiography.