I m a seventy year old man and had a mastectomy performed a year ago. Since that time I have had radiation treatment (30) performed and shortly after that I was found to have peripheral T-Cell lymphoma and am having chemo treatments for that and was found to have shingles during that continuing treatment. Upon completion of the mastecomy I was given printed material by a nurse that tated that I should not have blood drawn, blood pressure taken or any other procedure that would break the skin on the arm on the side that I had the mascetomy. Okay. How long should I avoid punctures and cuffing of that arm.