Prostate cancer

72-year old man; radiotherapy followed by relapse; ablative surgery with antihormonal therapy followed by relapse; addition to the patient's diet; of a liquid shark cartilage extract followed by tumor regression.

Urinary bladder cancer

70-year old man; underwent ablative surgery of several lesions (2 cm and 1,5 cm) + addition to the patient's diet of a liquid shark cartilage extract ; no residual carcinoma since 09/94.