I'm a 19-year-old male student. Recently, I have experienced pain in my left breast—particularly in my left nipple when I press it gently or even when I accidentally brush against it (esp when playing sports). Upon closer examination, I feel a lump-like object underneath my left nipple. Should I get this checked? And if so, where should I go? (I'm a student so affordability is impt to me). Also, this problem started about a month ago. Thanks!