Thank you for your question regarding the difference between gynecomastia and chest fat. Based on the photos you provided, it does not appear that you have true gynecomastia, which is the enlargement of breast tissue in males. Instead, it looks like you have excess chest fat, which can be addressed through various methods. To reduce chest fat, you have a few options: Exercise and Healthy Eating: Incorporating a regular exercise routine that includes both cardiovascular and strength training exercises can help you reduce overall body fat, including chest fat. Pairing this with a balanced diet rich in whole foods, lean proteins, and healthy fats can further support your weight loss efforts. Weight Loss Medications: New weight loss medications can also be an option to help you shed excess fat. These should be discussed with and prescribed by a healthcare professional to ensure they are safe and appropriate for you. Liposuction: If you prefer a quicker solution, liposuction can be an effective method to remove stubborn fat from the chest area. This procedure involves a plastic surgeon removing fat deposits through small incisions, resulting in a more contoured and masculine chest appearance. I recommend consulting with a board-certified plastic surgeon or a healthcare provider to discuss your options in more detail. They can provide you with a personalized assessment and guide you on the best course of action based on your specific needs and goals. Sincerely, J. Timothy Katzen, MD, FASMBS, FICS Plastic Surgeon