You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Fixity of the breast tissue in carcinoma of breast indicates infiltration of and explain in detail?
Answer- C. Pectoralis muscle and fasciaFixity of the breast tissue is tested by asking the patient to press the hand against the hip forcibly to contract Pectoralis major muscle & moves the breast over the pectoralis fascia in the direction of muscle frbres of the pectorals major muscle.Loss of normal mobility or fixity of the breast tissue indicates spread of cancer cells to underlying pectoralis muscle and fascia.