Cancer is a group of diseases involving abnormal cell growth. a. State three (3) different characteristic between benign and malignant tumours.

State two (2) examples of cancer prevention for the following:- i. Primary prevention.

State two (2) examples of cancer prevention for the following:- ii. Secondary prevention.

Madam L was suspected of having lung cancer. She was admitted for further investigation to confirm the diagnosis. a. State three (3) clinical manifestations that Madam L may presents.

State two (2) diagnostic tests to confirm Madam L diagnosis.