Does tendonitis in pectoral muscle hurt during breathing?
Patient: hi im a 48 yr. old female smoker, hx of respiratory issues such as copd, astma, i went to the pulmonary clinic they did a thoraic ct, thats when they seen the slight copd, and a nodule on my right lung 5mm, just watching it for, now but i have tendonitist in my pectoral muscle should this hurt when  i breathe Doctor: Yes tendonitis can hurt while breathing or with any movement. The nodule in the lung needs to be kept under observation.