# Large Chondrosarcoma of the Lower Rib Presenting as a Cystic Abdominal Mass

## TL;DR

A large chondrosarcoma in the lower rib can appear as a cystic abdominal mass, possibly mistaken for a liver issue.

## Contribution

Highlights the diagnostic challenge of chondrosarcomas presenting as abdominal masses.

## Key findings

- Chondrosarcoma of the lower rib may have minimal calcified matrix.
- Such tumors can be misinterpreted as liver lesions.

## Abstract

Teaching point: Chondrosarcoma of the lower rib may present with only minimal calcified chondroid matrix and may be misinterpreted as a liver lesion.