Is it safe to use a dry sauna post right lower lobe lobectomy? (surgery was approx 8 months ago) I m a 46 year old male and weigh approximately 250 lbs. I do daily walks of 1.5 miles nearly every day with no problems. However, I was recently exposed to some bad voc s which has given me a feeling of tightness and breathlessness in my chest. I can still easily max out my spirometer to the top, but since the voc exposure it makes me cough sometimes when I do it. I was hoping that the sauna could help me sweat out the toxins and clean out my lungs.