Can A Lump On Your Chest Be Cancer?

Can A Lump On Your Chest Be Cancer? Cancerous tumors are uncommon. Chest wall tumors, whether malignant (cancerous) or benign (non-cancerous), are classified as primary or secondary (metastatic). The most common benign tumors are osteochondromas and chrondromas. The most common malignant chest wall tumors are sarcomas. What does a cancerous lump feel like? Cancerous lumps