Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
1
Is any of this happening now?
Call 911
Seek emergency help if you:
Have severe or rapidly worsening trouble breathing
Cough up more than a small amount of blood
Develop blue, grey, or very pale lips or skin
Have sudden chest pain with breathlessness, fainting, or confusion
These symptoms can have causes other than lung metastases, but they need immediate assessment.
And for anyone, someone who:
is struggling to breathe, gasping, choking, or cannot get words out
Other emergency signs, for anyone
Someone who has chest pain, tightness or pressure lasting more than a few minutes
Someone who has sudden weakness or drooping on one side of the face or body, slurred speech, or sudden confusion
Someone who is unconscious, or cannot be woken
Someone who is bleeding heavily and it will not stop with firm pressure
Someone who has had a seizure that will not stop, or does not wake up afterwards
Someone who has lips or skin that look pale, blue, grey or blotchy
Someone who you believe has taken an overdose or swallowed something poisonous
2
Is any of this happening?
Be seen today
Contact your cancer team or another medical service promptly for a new cough, worsening breathlessness, blood-streaked mucus, persistent chest pain, or a clear decline in what you can do.
Fever during chemotherapy or another treatment that weakens immunity needs prompt advice according to your treatment team’s instructions.
3
Does any of this apply?
Book an appointment
At routine follow-up, mention gradual changes in appetite, energy, sleep, pain, cough, or exercise tolerance.
You do not need to wait until a symptom becomes severe before discussing it.
Every sign above is quoted from the sofidex article on Lung metastases. If you are not sure, err upward — it is always reasonable to be checked.