Pain, redness, or warmth in the area might indicate inflammation or infection. If you’ve recently suffered an injury, a swollen bursa or strained tendon could be the source of the discomfort. Repetitive motions or poor posture can also cause muscle imbalances or stress in the shoulder and chest region, leading to tension or visible bulging. In more serious cases, a growth or lump could be linked to deeper structural problems or even early signs of a tumor, though this is far less common.

Another common possibility is a condition called a clavicle subluxation or dislocation, where the end of the collarbone becomes misaligned due to trauma or overuse. This can lead to a visible bump or protrusion near the front of the shoulder. Similarly, enlarged lymph nodes—often related to infections or immune responses—can also cause noticeable swelling. If you experience numbness, limited movement, or persistent pain, those are signs not to ignore.

Ultimately, any unexplained change in the front of your shoulder should be evaluated by a healthcare provider. A physical examination, and if needed, imaging like an ultrasound or MRI, can help determine the cause. It’s always better to get clarity early, especially when it comes to your joints and muscles, to prevent long-term complications and ensure proper treatment.