[Cryosurgical treatment of basal cell carcinoma of the skin].

Cryosurgical method was used for the treatment of 102 patients with basal cell carcinoma of the skin. A portable cryosurgical apparatus with a set of applicators was used. Liquid nitrogen was used as the cold agent.

[Activation of natural antitumor resistance in cancer patients during a delayed hypersensitivity reaction].

Factors influencing the effectiveness of BCG vaccine employed as part of complex therapy were studied in cases of lung and gastrointestinal cancer. The drug showed clinical effect and stimulated the effector function of monocytes, natural and antibody-dependent killers in tuberculin-positive patients only. The degree of stimulation was in correlation with that of delayed hypersensitivity reaction.

[Cryosurgery of stage I-II basal cell skin cancer and its effect on various immunologic indices].

87 patients were treated by cryosurgery for stage I-II basal cell skin cancer. Changes in immunologic parameters were followed prior to and during surgery in 23 patients. Cryosurgery proved highly effective.