Most often, the more lymph nodes with cancer, the larger the number assigned. However, for some tumors, the location of the lymph nodes with cancer may determine the âNâ stage category. Metastasis (M). The letter M indicates whether the cancer has metastasized, or spread, to other parts of the body. If the cancer has not spread, it is labeled M0. If the cancer has spread, it is considered M1.
Chondroitin is a molecule that occurs naturally in the body. It is a major component of cartilage, the tough, connective tissue that cushions the joints. Commercial chondroitin comes from natural sources, such as shark and bovine cartilage, or synthetic production.
Reviewing this information as a whole, it appears that glucosamine chondroitin sulfate is safe to administer to patients with shellfish allergy, but the data that support this contention is based on a small number of patients.here is very reassuring data in two studies (albeit small) that the administration of glucosamine chondroitin sulfate is safe in patients with shellfish allergy (see abstract by Villacis J, et al. and the reference by Gray which are copied below).