Cancer often shows no symptoms initially but can present warning signs.
Pay attention to sudden or worsening symptoms and consult a doctor if needed.
Shortness of breath with normal activities needs medical evaluation.
Lumps can be an early cancer sign; new lumps should be checked by a doctor.
Certain types of bleeding, like coughing up blood or blood in stool, should be assessed.
Lumps can be normal, but persistent ones should be examined.
Difficulty swallowing or feeling full with little food may indicate a problem.
Changes in body functions like sudden constipation or difficulty urinating warrant attention.
Other signs include passing air in urine or feeling incomplete bowel movements.
Additional symptoms should be reviewed according to Johns Hopkins recommendations.
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