Dosimetric Comparison of Target Volume, Heart and Left Lung in Post Mastectomy Radiotherapy (RT) of Left Sided Breast Cancer by Free Breathing (FB) Versus Deep Inspiration Breath Hold (DIBH) Technique

carcinoma breast, radiation therapy for primary breast cancer, radiation tolerance, radiation induced cardiac damage, radiation induced lung injury (rili), radiotherapy; adverse effect, radiotherapy, adjuvant, deep inspiration breath hold technique, post mastectomy radiotherapy, interventional, na