Uncontrolled growth of a tissue due to unlimited and
uncontrolled mitotic divisions.
Neoplasm-     new growth of unwanted cells.
Tumor-     undifferentiated lumpy collection of cells.
Malignancy-    chaotic cells growth that leads into nearby tissues.
Malignant-     when tumors becomes cancerous.
Spread to distant parts is called metastasis.
Benign-        when tumors are non-cancerous

DANGER SIGNALS OF CANCER (Diagnostic features):
1. Presence of tumor on lip, tongue or breast.
2. Rapid change in appearance of warts on the body
3. Persistent changes in the bowel movements.
4.Hoarseness in voice, coughing difficulty in swallowing.
5.Continuous bleeding of wound or longer time for healing.
6.Continuous weight loss
7.Uncontrolled mitotic division
8.Cells grow more than normal cells

KINDS OF CANCER
SARCOMAS: malignant growth in bone, muscle,
lymph node and connective tissues.
CARCINOMAS: malignant growth of skin, lung,
breast, stomach and pancreas.
LEUKEMIA: blood cancer.
Common cancers in India-
uterine-cervical cancer and mammary gland cancer in women,
mouth and throat cancer in men.

CAUSES
Carcinogens- agents that cause cancer Oncogenes- get
activated under certain conditions like-

1.Smoking
2. Chewing of tobacco
3. Use of chemicals
4. Exposure to rays

TREATMENT:

1. Surgical removal
2. Radiotherapy- use of X-rays
3. Chemotherapy- use of drugs